Firmware 4.2.1 for iPhone 3G that does not modify the Baseband (with jailbreak)

Yesterday we published a firmware 4.2.1 for iPhone 3GS that does not upload the baseband (you can find it here). And we receive many requests for a firmware of the same characteristics for the iPhone 3G.

Well we have improved it, This firmware 4.2.1 for iPhone 3G not only does NOT upload the baseband so you can easily unlock it with Ultrasn0w, but it also comes with Cydia already installed and is hacktivated.

Download it by pressing here

It works whether you have a releasable Baseband or if you have the iPad baseband (6.15.00) installed on your device.

TUTORIAL:

Connect your iPhone to the computer.

Put it in DFU Mode.

From iTunes press SHIFT + Restore (or ALT + Restore if you use Mac).

When the window to select the firmware appears, select the one you have downloaded.

Once the iPhone is restored, you will have iOS 4.2.1 and you will have kept the baseband.

Enter Cydia and install ultrasn0w.

(don't forget to backup your iPhone from iTunes so you don't lose any data)


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  1.   melon kid said

    GREAT.

    Many thanks. Now everyone can have their 3G in the latest version without fear.

  2.   Lu said

    I am interested in updating my old iphone 3g, the problem I have is that like many with this model the wifi from one day to the next stopped working, and this is where my doubts arise. If I update it later, can I release it? since the iphone 3g is from at & t and would not have a connection or 3g or wifi to install the ultasnow. Because inside the firm does not bring the ultrasnow.
    Thanks and a little help please

  3.   Jesus said

    From what they say, when you update it, you already find cydia inalado, because you enter cydia and management, sources you will find a repo called "repo666.ultrasn0w.com" inside that repo is the ulrsesnow that will live it for you so that it works for you with the operator you have.
    I hope it works for you.
    Salu2 Jesuss

  4.   JFOP said

    It's great, I have the 4.2.1 with the 6.15 baseband and everything works ok except the GPS. I'm going to test it right now to see if I can recover the baseband and can use the GPS again.

  5.   Lu said

    For Jesuss

    Now, but the fear I have is that when I go to the source I need an internet connection to download the ultasnow.

    Can anyone confirm this to me? I need or not an internet connection to unlock the phone.

    1.    gnzl said

      LU: you will need Ultrasn0w in .deb, you can download it on the internet (from your computer), put it in via SSH and install it with terminal or ifile, it is not easy but it is possible.

  6.   ramoss said

    I have iPhone 3G version 3.1.2, with baseband 05.11.07, can I install this firmware directly?
    A hello and thank you.

    1.    gnzl said

      RAMOS: yes

  7.   ramoss said

    thank you very much Gnzl

  8.   Compile said

    And for the iPhone 4 there is no ??????????????????

  9.   Lu said

    gnzl

    To enter via ssh I don't need anything? I plug it into the computer and voila or the iphone has to have something installed like openssh
    To install .deb applications I have it controlled, the problem is the same as I install the terminal or ifile and then install the ultrasnow

    1.    gnzl said

      LU: you will have to do it via the Mac terminal for example, or create a custom with OpenSSH installed.

  10.   Manolo said

    I have done it to the letter and it gives me error 1604, I will try to repeat it and I will tell you

    1.    gnzl said

      MANOLO; for those errors you just have to use iReb, easyiRecovery or tinyUmbrella and remove it from recovery

  11.   Lu said

    Gnzl: the issue is complicated, thank you anyway.

  12.   Manolo said

    It has given me after trying error 1601 and 1600, we will continue with the whole series of 16XX

  13.   Manolo said

    I can get it out with ireb, but I still have after updating 4.1, baseband 6.15, I don't understand it, baseband, I understand it, but why doesn't custom 4.2.1 work for me?
    Thanks Gznl

    1.    gnzl said

      Well, I don't know Manolo, I'm sorry.

  14.   Manolo said

    Now yes, I already have it in 4.2.1, everything has been based on trying again and again, using Ireb and iTunes as it says in the news, thanks Gnzl for your patience

    1.    gnzl said

      😉

  15.   melon kid said

    iReb usually fixes restore errors, but not always the first or second. The sequence that usually works for me is: try to restore a la brava from iTunes> failure> iReb> restore again> to succeed as Los Pecos

  16.   McYork said

    Gzlo and there will be no way to release a firmware 4.2.1 activated for 3gs? I have tried this on a 3g and it works great… Thank you very much and I hope to be lucky with the 3gs now it has 4.0 and bb 06.15… A 4.2.1 and hacktivated please !!!!

    1.    gnzl said

      you can hack it yourself with Redsn0w 0.9.6 MCYORK !!!
      (for 3GS)
      You install the one that I post, you do jail tethered + hackivation with redsn0w, and then on that you do greenpoison

  17.   chinaso said

    For all those with 16xx errors, restore your iphone to 4.1 (modified without uploading baseband) using ireb in its latest version; then update to 4.2.1 (modified tbn), and take it out of recovery mode with tinyumbrella

  18.   archangelprraa said

    Hello! I have an iphone 3g with ios 4.2.1 and baseband 05.15… with this firm I can unlock for any operator ???

  19.   CORKSCREW said

    Now you only need a firmware for the iphone 4 that does not upload the baseband and thus be able to maintain the release and use it with any company.
    Mine is still in 4.0 because since there is no ultrasn0w to release the basebands of other versions, I do not update it, which for me is more important to maintain the release than anything else.
    Have if someone is encouraged and creates a firmware for eliphone 4 with 4.2.1 and does not upload the baseband.

  20.   xavier viteri said

    I think everything is very nice, but I am going to continue reading the incoming comments to see the performance of their Iphone 3G, the truth is that my Iphone is running the FW 4.1 BB 06.15 and it is perfect, it is logical that being an old model has its moments of slowness .

    For those who have already taken the test, ask them a few questions.
    How is the Iphone performance opening closing applications?
    Doesn't the camera slow down when taking photos?
    no problems opening Cydia?
    This question goes to Gnzl, do we have to download the SAM from repoBingner? is missing?

    Salu2!

  21.   ramoss said

    Xinaso or some other compi, could you put where to get the modified 4.1?

    greetings and thanks

  22.   alvaro said

    One question if we update as you decide by downloading this firmware, the 4.2.1 will be unthered?
    Grace

  23.   collapse said

    Hello, those of you who have installed it, do the push notifications work? I installed a firmware of this type, hacktivated since I bought the phone in the USA and I do not have an AT&T card and with jailbreak and it worked perfectly when installing previously putting the Iphone in Pwned DFU mode with redsnow, I passed the ultrsnow to it and it was released but then there was no way to make the notifications work.

    I would appreciate any comments on this topic, thank you very much and what I said if you have any problem with the installation with the redsnow they usually disappear

  24.   Metastasis said

    Thanks, I'll give it a try, but I have a
    3g with bb 5.15.04 and os 4.2.1
    Apparently I am lost, I have not raised the bb to 6.xx because I really do not want to lose the gps, the but of everything is that you can not lower the bb

    Thanks anyway. I am more and more convinced that I should upload the bb

  25.   Samu said

    Do you know if the numerical% of the battery is available after the jailbreak?
    I have already gotten used to it. Thanks.

    1.    gnzl said

      ALVARO: There is no tethered jailbreak for the iPhone 3G.
      .
      SAMU: you can install it from Cydia

  26.   gnzl said

    To those of you who ask about the iPhone 4, there is a tutorial on the page on how to do it.
    .
    Those who ask about SAM and push notifications and battery consumption, you ONLY have to install SAM if notifications fail or consume a lot of battery.
    .
    Metastasis, which bootloader do you have?

  27.   churches said

    Let's see when it comes out for 3G

  28.   churches said

    Hello! I have an iphone 3g with ios 4.2.1 and baseband 05.15… with this firm I can unlock for any operator ???

  29.   alberdeparla said

    Hello good!!! One question ... For this release would it be necessary to do all the SAM paraphernalia?

  30.   Adolfo said

    People I need to know if there is any way to unlock an iphone 3g with the 5.14 baseband and that is not the ipad baseband !!! Gtaciassssss

  31.   MANU_ said

    Hello GNZL, could you upload the file to megauloup ?. Beforehand thank you very much

  32.   manual_ said

    GNZL, don't bother I already have it.http://www.megaupload.com/?d=T8O43DCW

  33.   Daniel said

    A QUESTION WITH THIS CUSTOME FIMEWARE CAN YOU CHANGE THE BOOT LOGO AS WITH GREENPOIS0N ??
    PLEASE ANSWER.

  34.   Jease said

    Gnzl, I think it would be interesting to upload the same firmware but without hacktivar ...;)

  35.   wolf cat said

    How does performance work? In other words, do you have a partition as root so that it can be fairly fluid? Because as it goes slow the same as 4.1 I stay at 3.1.3 which at least pulls ...

  36.   McYork said

    Gzlo. Thank you very much I will try what you tell me ...

  37.   monck said

    xavier VIteri. I have it installed and it doesn't give me any kind of problems. All the functions are working, the speed is equal to that of 3.x. Nothing to do with 4.0 or 4.1
    I was afraid of 4.2.1. I found this custom a long time ago and it goes from 10. The battery is perfect, no SAM is needed.
    It is my experience. Greetings.

  38.   osc said

    Hi, I put the mvl in DFU with itunes and when I do shift + restore it tells me that the firmware file is not compatible. Can it be for having the iphone3g in 4.1 ?? Should I go through the 4.2.1 clean first? There is no way for me to accept the downloaded firmware.

    greetings and thanks

  39.   Daniel said

    Osc: first check that it is an iPhone 3G and not a 3Gs. If it really is an iPhone 3G try to test (restarting the computer, changing computers, downloading this custom fimeware again, update iTunes to the most modern version ... etc) If you are using an unofficial SIM and want to continue using it, DO NOT update with the original fimeware, try to do it with the downloaded version.

  40.   miancato said

    Greetings, I have iPhone 3G 3.1.3 everywhere the recommendation was always to leave it with that firmware, now if I can upload it to this 4.2.1 firmware obviously this modified ?????
    Thanks for answering in advance.

  41.   ramoss said

    When doing the process I get error 13, please help.

  42.   George said

    Dear partners. I put my iphone 3G in DFU Mode and followed all the steps. But I get error 1604 over and over again. What can I do because I need it released and it seemed to be facial. It had version 3.1.3 with the baseband 05-12-01. Now it doesn't get out of DFU mode and I can't use it. Please help.

  43.   Jordan said

    Someone could help me I get error 16xx noc how to use the ireb or anything like that..some tuto plz

  44.   George said

    I was able to unlock it with the version 4.1 that happened that did not upload the baseband but when I try to open cydia it closes the application. How do I now to release it?

  45.   Alexander said

    @gnzl:

    Hi Gonzalo, could you tell me what features this Custom Firmware has activated:

    multitasking
    Home Screen Wallpaper
    Battery Percentage

    Or none of them. Thanks in advance and congratulations on the tutorials and the web, both very good.

    1.    gnzl said

      None of them.

  46.   Juan Lopez said

    Hi Gonzalo, what tool is used to make a custom firmware of ios 4.2.1 in window?

  47.   iPhone said

    Hello Gznl,
    Reading the post and the comments I am not clear about 1 thing. I already have firm 4.2.1 and baseband 6.15. If I follow this process, will I go back to another previous baseband or will I recover the gps? Everything works fine on my iphone except the gps, if this process is fixed it will be 1lux.

    Thank you and 1 greeting

  48.   Juan Lopez said

    lliphone everything will remain the same, but if you download a firmware lower than 4.2.1 you will not be able to return it to 4.2.1 except with a firmware like the one in the post that does not modify the baseband.

  49.   jose maria said

    it didn't work for me, it gives me error 1600

  50.   Juan Lopez said

    Jose Maria pass him the iReb and test

  51.   jose maria said

    I could already ireb and that's it, thanks !!!

  52.   archangelkmilo said

    @GNZL
    you could not upload a custom hacktivated 3gs ??????
    it would be very useful please!

    1.    gnzl said

      arkangelmilo
      There is one a couple of posts below, it is not hacked but you can hack it with redsnow 0.9.6

  53.   Raul MR said

    After 15 errors cin ireb and sweating ice I have achieved it, and working perfectly, I went from 3.0 to 4.1, and now to 4.2.1 and the difference is brutal, much faster than in these.

    Although the fact that it comes with the sprongboard wallpapers does not affect the performance or battery?

    It is something that should be discussed in the main post because I was surprised to see it since in theory it is not activated, or so I thought.

  54.   Victor said

    Hello. I have been running iREB ​​4.0.x-4.1-RC2, I don't know how many times, and at the end of the procedure, a green screen appears on my iPhone, and on iReb it tells me this:
    «If you have the green screen on your device. You may restore to custom firmware. Note: If you get error 2003 in iTunes after extracting, just unplug / replug it in and do it again ».

    The fact is that in iTunes I give it to restore choosing the custom one, and usually I get "unknown error 21", and from there it doesn't happen.
    I have iOS 3.1.3 installed, and I have tried loading both iOS 4.1 and 4.2.1, both hacktivized.

    Any solution?.

  55.   Raul MR said

    Victor, that happened to me. What I did was when it gave an error (that mine was 1611 I think) close itunes, and open it without passing irev, and in the end it got me. Although I think I read that you have to close the ituneshelper process, tap it from the Admin. of tasks and to see if this way you are lucky. I don't know the fancy stuff I did but in the end I got it.

    But in Google putting unknown error 21 many posts come out, maybe they will help you. I was testing in situ and I do not remember what I did, only what I commented.

  56.   Victor said

    Thanks for the help Raul. At the end the flute sounded, and I'm putting 4.1, and I still don't even know how I did it hahaha. I have been connecting and disconnecting the iphone to other usb ports, and passing the ireb over and over again, and now it works.
    I hope that after inserting 4.1 I don't have problems when inserting 4.2.1.

    Greetings.

  57.   Gerardo Santos said

    Please someone help me. I have my iphone 2g locked and on the screen I designed emergency calls someone to tell me how to unlock it. Thanks

  58.   osc said

    Hi, I have updated iTunes but it keeps telling me that the firmware is not correct ... My iPhone is a 3G of a lifetime .. Does anyone know the possible reason for this error? It is an iPhone 3G in 4.0.2 running with ultrasnow and the reason for wanting to update is because I am doing very slowly .. I think I should not have activated multitasking in its day. If anyone has any idea how to make it a little more functional, because right now it takes an awful lot to do anything.

    regards

  59.   Daniel said

    Precisely today, wanting to restore the 4.1 firmware that I had installed on my iPhone 3G, I have uploaded the baseband from 5.13.04 to 5.14.02, which after installing the ultrasnow has not been able to release. No unlock for this baseband yet (5.14.02)? The only alternative is to switch to the 6.15 baseband of the iPad, from what I have read, but it is a too risky bet, because afterwards I will not be able to return to the baseband of the iPhone and even above the GPS does not work. Do you know of another alternative? Thanks.

  60.   Raul MR said

    Can you use redsn0w to do the SAM thing in this custom? Or will it give trouble? Because PUSH notifications don't work for me, not notifications or anything.

  61.   David said

    Hi, I'm new to this… The iPhone gave me error 1600, I did iReb (iPhone screen in green etc etc) and the iPhone did not restore, it stayed on the «connect to itunes» screen, that is, the USB Cable appears on the screen and the itunes logo. What can I do is an iPhone 3g with 3.1.3 I try several times or what else can I do? Thanks

  62.   Xavi said

    There is one thing that is not clear to me ... I currently have 4.1 with baseband 5.14.02 ...
    If I put this on, which baseband will I end up with? Can I unlock it without having to upload it to 6.15?

    Thank you!

  63.   PJ said

    Well, the itunes does not recognize me

  64.   PJ said

    In the end all perfect, only the iTunes thing was solved, except for the notifications as always.

    Does anyone work?

  65.   Manolo said

    Can you know what the iReb is, please? I have a question, my sister has an iphone 3g with version 2.2.1, can I apply this tutorial directly to her?

    regards

  66.   Gonzo said

    Well, I uploaded my 3G from 4.0.2 to 4.2.1, I had a problem with error 1602, I tried the iReb and it didn't work for me (it never gave me a green screen), in one of several attempts (I didn't know exactly how) it allowed me load the firmware to it, the BB did not upload and works fine. The downside is that I didn't get the improvement I expected in speed.

  67.   LANCERX13 said

    Hi, I have the 3g with version 3.0, it was jailbroken (I don't know which method), I have updated it directly to version 4.2.1, and I find that when it asks for the activation, no sim is recognized, neither the original nor any another I've tried.

    Please I need help, I'm without a phone.

  68.   michael said

    I have been reading all the comments and I see that others have had problems I have the iPhone 3g is with the firm 3.1.3 mb …… .baseband I think it is… 051201 if I get off this one and I put it, everything will work well or it will be more lentil Q ago, please, someone who answers me or I will have a problem with iTunes, who knows how to send errors, ahibeses garcias, I hope they answer me, thank you bye

  69.   pj said

    LANCERX13, did you put the ultrasn0w on it?

  70.   CHEMA said

    updates are always improvement but it is not the great wonder either but if it is convenient to update

  71.   Samu said

    Well, I've been there all afternoon and I can't have coverage, much less 3g. I have followed all the steps and everything has been correct, but I have been unable to make calls. Does anyone know what can I do?

  72.   manuel said

    how much is root someone is working stable

  73.   THEXAOS said

    HELLO AMI THE SAME HAPPENED TO ME I DO NOT HAVE A MOBILE LINE UPDATING THE 4.2.1 WITH BASEBAND 15.14.01 AND I HAVE RELEASED BY IMEI DO YOU KNOW IF I THROW IT RIGHT AS IT PUTS IN THE POST AND IF I HAVE THE RELEASE BY IMEI I DO NOT GET IT SIM RECOGNIZED ,,, BEFORE HAND THANK YOU VERY MUCH

  74.   Samu said

    Thexaos, try entering cydia and reinstall Ultrasn0w. It worked for me. It is seen that the first time it did not install well.

  75.   manuel said

    good install it and working very well thanks for the contribution

  76.   amonraz said

    Hello, I have IPHONE 3G 3.1.3 with JB Spirit, I want to upload it to 4.2.1, without uploading the baseband, I install this CFW, but in case I don't like it or the apps don't work as I wish, I can go back to my 3.1.3 OFW ? ? from itunes with only a normal restore ??

  77.   Wicker said

    hello I have a big problem ... download the custom here for my iphone well install it and everything is fine but when installing ultrasn0w unlocks the strange thing is that it does not let me make calls but I get calls and messages ... when I call I get a screen that says call error ... what can I do ??? Thank you…..

  78.   oscar said

    Activate push notifications and youtube

    Cydia

    http://cydia.pushfix.info/
    once the repository is installed, find and install "Pushfix 2.0 Support"

    Ready

  79.   They were said

    Hello Oscar:

    Can you confirm that the pushfix works? The thing is that I have already had, I do not know how many restorations and I think that the only thing I have to do to recover the notifications is the pushfix, but given the price it has, I would like to make sure before buying it ...

  80.   oscar said

    They went, I also had the same problem and what I did was install a custom 4.2.1 firmware to maintain the base band, since with the ipad you lose if or if the GPS.

    Push notifications, I use them a lot, it is more for me they are very necessary and with "Pushfix 2.0 Support", they worked wonders.

    That is why I share it. My Iphone is a 3G.

    Luck !!

  81.   WandaLoop said

    osier,
    The same thing happened to me until I installed the Ultrasn0w, it is seen that it is essential ..
    If you have already done it, try to uninstall and install it again and of course, restart the iPhone.
    Let's see if there is luck, with me there was

  82.   iban said

    Oscar:

    Well yes, it works, I had tried everything with SAMprefs, activate with a movistar card and nothing.

    The best 4 euros invested in my life.

    For those who asked, go to pushfix.info and there it tells you. Basically, it is to buy a certificate, you add the repository to Cydia, you download the pushfix 2.0, which in turn lets you install it if it recognizes that you have paid, you will see an application called pushtest and when you enter it already confirms that you have the push activated, wait 2 minutes for the springboard to restart and fly!

  83.   ruben d said

    Greetings to all, my problem is the following, I have an iPhone 3g and it had firmware 3.1.3 and I uploaded it to 4.2.1 and now the phone does not have the key to make calls but I can receive it and everything is fine and Above the home button I only have the other 3 keys and not the one to make calls as you know there are 4 that it brings, please help me ...

  84.   FeerMdq said

    Do it because it works perfect, I used the iReb RC3, then I restored the iPhone with the custom iOS that you download from here and that's it! PS: the boot screen that it brings is great and I have never seen it.

  85.   FeerMdq said

    I clarify that I restored it with iTunes without using anything other than iReb and iTunes.

  86.   michael said

    Can you help me friends, what happens is that I put the firm ami iphone 3g and I get an error message 1600 1604 after using the irb what they say when I select my iphone it is supposed that it should load but it loads a pokito and from there I appeared a warning saying failed i there it is so that i can get this pod ... THOSE WHO HAVE TESTED THIS SIGNATURE ON THE IPHONE 3G SAY HOW IT GOES fast or not, it is recontra slow currently I have it my iphone 3g with 3.1.3 thanks to all

  87.   Oscar said

    michael, you have to use iREB ​​but if or if you enter "DFU mode", so you don't get error 1600 1604. Then open iTunes and restore the firm custum. Firm 4.2.1 on my iPhone 3G works great. It's fast and doesn't hang up anymore. I also think that it is not faster than 3.1.3; but you can install the 4.x applications and I am really very satisfied with the provision.

  88.   Mushroom said

    Hello, how are you? Gonzalo, how are you? hey from what I see this tutorial would be perfect for me ... the question is I have an iphone 3g ios 3.0 and BB 4.26 with this tutorial I can increase it to ios 4.2.1 keeping the BB 4.26 and having cydia already on my iphone to be able to download applications , games, etc.? One more question ... What advantages does ios 4.2.1 have over 3.0 does it run faster? Thank you

  89.   Mushroom said

    Graciaz Gonzalo I wait for an answer

  90.   gnzl said

    Yes, you can update it without uploading the baseband,
    You will not keep what you have installed in Cydia.
    The games and applications are downloaded from the app store, we do not support pirates,
    Cydia is used for other things like unlocking your iPhone

  91.   Mushroom said

    Graciaas gonzalo on my iphone I don't have anything installed or cydia or games or anything comes with the factory configuration but I want to install it to 4.2.1 without modifying the BB and with this tutorial it fits me like a glove 2 questions that having cydia installed means I already have jailbreak my iphone? and what advantages are there from 4.2.1 to 3.0 speaking of ios? Thank you, I wait for Gonzalo's answer (:

  92.   michael said

    Hi, thanks for answering me, Oscar, I don't know what happens, I can't see the other 104 comments on the page, I only see 4 comments, for example the comment that I am Carlos ami or the answer that I am I iso carlos ami I do not see it happily b I arrived at my mail and there I can read it but entering the page I do not see it I only see 4 comments I already opened it with ie8 i firefox i nothing is wrong with this thanks

  93.   David said

    It fails me, iTunes gives me unknown error 1600 or 1602. Doesn't it happen to anyone else? i have an iphone 3g with ios 4.1.2

  94.   Oscar said

    michaerl, to see the previous messages, there is a «link» that says «Older comments», click on it to access the comments.

  95.   river said

    it gives me a big problem with the iphone 3g. The operator option has disappeared, I am currently with Simyo, what can I do? Thanks partners

  96.   flow said

    Well, the same thing happens to me as David, I get a 1600 error ... and to top it all the screen has gone black and as if it were off. Now I am trying to restore the original 4.2 and it seems to turn on but I was scared to see that it did not turn on ...

  97.   michael said

    Until finally I was able to get it, it stopped me appearing those error messages 1600 but using the ireb I solved it 3 or 2 times I used it but it was fine I was using another custonq I downloaded from another page and it asked me EVERY TIME Q I FINISHED installing the csuton em asked for the original sim is blocked only for emergency calls but the custonq down from here does not ask for that you just have to install the ultrasnor ie soe s all .. GARCIAS BY THE CUSTON I WISH IT IS GOOD FOR ME GREETINGS TODAY IPHONE

  98.   nfss said

    hey a question ,, I have the iPhone with 4.0.2 and I want to update it to 4.2.1 since for the last update there is no jailb, stable and reliable ,, so I download the version and when installing it from iTunes it gives me an error , ,, My iphone is with telcel so I do not need to release it ,, what should I do? change the baseband or not? greetings

  99.   Txema said

    Hello people, I have been recommended this website and the truth is that I start reading, and I'm half crazy and very lost.
    Let me explain, I have a 3G iPhone that they have passed to me since the old owner has caught the 4. This iPhone is already released, the only thing I wanted is to do that of the jailbreak to be able to install applications. I've been reading, but I can't quite find out. Could someone tell me what to do in my case? What software or what do I have to install? If I go to settings / general / information on my iPhone it tells me that I have version 4.2.1 (8C148) but I don't know what to do with this. I don't know what way I have to choose to be able to jailbreak my mobile.
    Let's see if a charitable soul gives me some light on this. The truth is that I need help for fools, as you have seen, I do not find out anything: S
    Greetings and thank you very much in advance.

  100.   juanchi1979 said

    I have an iphone 3g 4.2.1 and bb 06.15 ... if in a hurry I raised the baseband ... now the gps does not work for me ... I am thinking of giving it to my brother because I am about to get an iphone4 ... and I would like to give it to him in good condition everything ok ... it exists any way to lower the baseband to regain the functionality of the gps ??? .. THANK YOU

    1.    Natalia said

      Hi Juanchi1979, I'm the same as you, but the iPhone is mine and I need the gps to work well to use it, have you found something? Thank you

  101.   Antoni said

    Michael thanks to you said about ireb I was able to jailbreak my iphone thanks!

  102.   Emilia said

    I have iphone 3g version 3.01 (7A400), Baseband 04.26.08. With windows vista it gives me error 1600 and with windows 7 it gives me error1601, I downloaded ireb version v4.0 but I have not been able to update to 4.2.1 either. I need someone to help me, I don't know what to do anymore, thanks and greetings,

  103.   hmmm said

    It works !!!… Itunes 10.1, ireb RC3 and custom firmware…

    THANKS !!!!

  104.   ana said

    Hello, I have the iphone 3g 4.2.1 and my intention is to install cydia, not to update the software. I did this same procedure and it gives me an error when starting the restoration, what can I do to install cydia? Thank you!

    1.    ffrancoc said

      Hello, enter the safari browser from your iphone and type http://www.jailbreakme.com , you read the author's description and if you agree, you can install it and voila, you have cydia and your iPhone released (without cables without anything) if your operator is legal, no problem, it works the same and all the apps you have installed will remain the same, it's legal If you want then install installous 4 and you can download any application. regards

  105.   Groundhog said

    hello I have an iphone 3g 3.1.3 baseband 05. 12.01 my intention is to release it for movistar argentina. after doing this tutorial, is the jailbreak done? What should i do next to release it? I never did anything to him and I have no idea if someone helps me great!

  106.   Angel said

    I have upgraded to this version, and everything is great, except thethering. Do you know how it can be solved?

  107.   jona said

    Excuse the ignorance but what happens with the baseband if the sovereign or not ???

  108.   jona said

    I saw everything from the tutorial, I had to use ireb x the error 1600 but everything worked, the only thing that does not work is Ultrasn0w, I install it and it does not work for me, it does not call, it does not send sms, I do not know what to do
    help to??????? Thank you

  109.   Pablo said

    Install this Firmware on my iPhone and for a few days I have noticed that the SMS application does not work ... when I receive an SMS I can read it, but when I click on the tab to return to the list of conversations the application closes ...

    Any ideas??

  110.   Hernan said

    I have a problem with an iphone 3g it is already with IOS 4.2.1 and BB 05.15.04 it already has the jailbrake but the unlock does not work, that is, the ultrasn0w does not unlock the BB 05.15.04 I do not want to upload the BB to 6.15 then yes Some reason you have to reinstall the IOS with itunes or whatever it is no longer recognizes it, some solution suggestion

    1.    Charlie said

      I have the same problem, I don't know what to do, whether to jailbreak again with another firmware or I don't know ... if they give you a solution, let me know
      regards

    2.    Charlie said

      I have the same problem, I don't know what to do, whether to jailbreak again with another firmware or I don't know ... if they give you a solution, let me know
      regards

  111.   toni said

    Hello, I have downloaded the compressed soft and there are two files, are they the same?
    I have an iphone 3g with version 3.1.3 and baseband 05.12.01, I think that with this I can put it quietly, but I am a bit fearful of these things and before I screw it up I prefer someone to tell me that I can do it.
    Thank you.

  112.   Tony said

    Well I have already achieved it, seeing the problems that people have I have done it with the ireb directly and it has not given me any error, thank you very much for this firm.

  113.   jona said

    I have an iphone 3g 4.2.1 bb 6.15 and I can't restore it with either custom firmware or ireb I have several errors… .9, 14, 2003 help me !!!!

  114.   jona said

    I have an iphone 3g 4.2.1 bb 6.15 and I can't restore it either with custom firmware or with ireb, it gives me several errors… .9, 14, 2003 help me !!!!

  115.   Louis duver said

    Jona ,, you know I had the same problem as you, the worst thing was that the iPhone was not mine, after trying everything at last I could restore it without errors to 421 with a custom firmware and use ireb, if you want add my email and you I pass the data ,, luisduver@hotmail.com

    1.    Abdo said

      Luis, good evening, I understand that you managed to restore to iOS 4.2.1 but I would like to know if you uploaded the baseband 06.15, and if so, if you managed to download it to 05.12.01, I made the "mistake" of uploading my baseband, and When I was able to restore it, I could only restore it with iOS 4.1 but it is still with baseband 06.15, if you could download it, I would like to know how you did it if it is not too much trouble.
      Thank you.

      1.    Natalia said

        Abdo, did you manage to lower the baseband 06a.15 to a lower one? If so, tell me how please, I need to lower it, thanks

  116.   David said

    I have the same problem as the other users, the iPhone is detected by iTunes in recovery mode, but when selecting the firmware, after a few minutes it gives this error:
    iTunes: Restore error 1601
    How can i fix it?
    Thank you

  117.   sunny22 said

    Hello, for those who gave an error when wanting to install, error 1600 ect, it is because they have to put an old custom firmware and then the ireb4 and then give it with itunes and it is a gem !! of 10

  118.   alex said

    Hello, how about I have my iPhone 3g with previous version, I sent it to be because of fearful worse I want to know what else I have to do after doing the previous steps so that I stay normal (I mean with all the options as factory) and that nothing fails
    I thank you in advance

  119.   daniel said

    HELLO I HAVE AN IPHONE 3G 8GB BLACK WITH BASEBAND 6.15 OR I DON'T KNOW IT IS THE IPAD SEEMS CAN I INSTALL THIS IPSW?
    I NEED SOMETHING URGENTLY AND AT THE MOMENT I HAVE A BONIOT PAPERWEAR

  120.   michael said

    AT THE END OF EVERYTHING .. MY IPHONE 3G WAS WITH THE 4.2.1 AND THE FIRST WEEKS IT WORKED WELL I WAS HAPPY BUT AFTER S EPUSE LENTIL Q I WAS WAITING I WAS IN THE CAR AND I WANTED TO OPEN AN APPLICATION ASTA QSE ABRA ALREADY ARRIVED IN AMID THE FINAL BEFORE YESTERDAY OF AZEEEEE I RETURNED TO 3.1.3 PUCHA RESIENE STA VELOZZZZ AND THAT WHEN I WAS THE ICE OF EVERYTHING I ERASED MY MEMORY FUNDS I BORED ME BETTER I REMAIN WITH 3.1.3 TO THE END I PREFER AN OLD FIRM TO THE END I AM SLOWING OOOOOOOOOOOO AND EOS DIDN'T HAVE THE BIG THING GAMES BYE

  121.   zxndrxcore said

    Thanks my friend! is what I was looking for 😀

  122.   Fernando said

    Hello I have a 3g install this custom as indicated, I have a BB05.15.04, but it does not give me a signal of movistar, can you help me? Thank you

  123.   michael said

    uyyyyy …… .Fernando tell me before inserting this custon, did you put the 4.1 or any other original ???????… because the same thing happened to me and it was because the bb had been uploaded to what you have and I did not detect the movistar SOLUTION …… tube q go up to the ipad bb and 06.15.00 ahy you are just going to be able to release it only the bad thing and you will not be able to go back you will stay in 4.2.1 forever depends on you

  124.   danielmx said

    hello, how about i have an iphone 3g with 4.2.1 and bb 6.15 the problem is that the chip or SIM that is from mexico telcel does not grab me, according to the answer to fernando, can it be released but i'll stay at 4.2.1? Well if it is the last option I accept it but I want it to act as a phone also not only as an ipod if you could tell me what I have to do I would appreciate it very much!

  125.   michael said

    DANIELMX… .this is rare because it will not catch you with that bb and it would have to catch you without problems. Sure you installed the ultrasnow ???? You will not be wondering why I grabs it without problems

  126.   cristian said

    eh kpo I have a Chinese cell phone that is a copy of the iPhone 3g, my question is if I can change the firmware that I know for a model of iPhone or another device

  127.   he saw said

    Could someone tell me if the firm is the culprit that my iphone 3g ios 4.2.1 bb 6.15 does not have the wifi? ... it will not make any wifi signal!

  128.   he saw said

    Could someone tell me if the firm is the culprit that my iphone 3g ios 4.2.1 bb 6.15 does not have the wifi? ... it does not pick up any wifi signal!

  129.   Andrew hi said

    Hello, can someone help me, I have an iPhone 3G with baseband 6.15, when I do this process it starts to restore and I get error 1602, has someone happened to it?

  130.   snows said

    Hello! I have a problem !!!! I hope someone can help me! I have .. (I had) an iphone 3g 4.2.1 released with ultras ... and all that and I uploaded the besaband for eyo, I followed some instructions to activate multitasking and screw it up .. something went wrong ... and when restarting the 3g to see if it worked and did not turn on again .. it remains in the apple ... I do not know what to do ... desperate I resorted to iTunes to restore and update ... but I get errors and it does not solve it !!!! What I can do!!!!!!!!!! please help! witch15com@hotmail.com

  131.   yoss said

    Hello, I have an iPhone 3G, the truth is, I already have almost a year with it and I do not understand anything really, it is frustrating not knowing how to use it or how to put music, it always deletes everything or I enter music. They tell me what better k are those and I would like to know how to install video (so that I can record videos) help me !!!! please

  132.   Gerardo said

    Yoss, the version you have has nothing to do with what you say, 4.2.1 is going very well, I can help you if you like to add me to msn is paz-mayo@hotmail.com

  133.   michael said

    YOSS… the 4.2.1 version is fine but fine LENTIL …… the only way that I don't alenteje is not to have even less music videos. the 3.1.3 and fast I hope that a doungrade comes out to return it to 3.1.3 that huev ... of 4.2.1 for the iphone 3g I read it enntooooooooooooo

  134.   GUSTAVO DIAZ said

    THANKS FRIEND CORRECTLY UPDATE MY IPHONE 3G BASEBAND 6.15 TO IOS 4.2.1 AND RELEASED WITH RESNOW

  135.   keidesu said

    Hello Gustavo, could you tell me how you are doing with your iPhone, I have it with 4.1 and 6.15 baseband and I'm not sure about updating, what do you recommend?

  136.   JOB OFFERS said

    It worked perfect, thanks for sharing

  137.   firesoul said

    Hi all!
    Someone who has installed it on their iPhone 3G and can tell how it goes in terms of speed ?????

    Another question. I have itunes 10.5, do you think it works or should I install a lower version of itunes ?????

  138.   farlopa0_0 said

    Hello good, I have an illegal 3gb 8G and I wanted to know if this custom finally uploads the Baseband, is that I want to put it but if the baseband uploads it is not worth it because I have to release with Ultrasn0w.

    Thanks and please have someone check me if the baseband goes up or not.

    A greeting.

  139.   firesoul76 said

    Farlopa, but that is the main thing about this firmware, which does not upload the baseband, which has cydia already installed, it is a custom firmware. What I am not clear about, as I asked, is the issue of the speed and performance of the iphone 3g with this version.

    Ahhh and I have tried to install it and there has been no way.

  140.   skualo73 said

    Hello, I have tried to put the firmware 4.2.1 and it does not come out, it gives me the itunes «error 1600». It will not be that since I already have my firmware 4.2.1 and legally released, the jailbreak does not do it, I am a newbie in this and part of it gives me yuyu that my iphone 3g breaks.
    What am I doing wrong?

  141.   Victor said

    People, let's see if someone can be clear with the directions. From what I see we all have the same problem, but without a solution. Firm 4.2.1 with baseband 6.15 of the iPad, when we want to restore either with or without iReb we get the blessed errors 1600.03,04, etc etc. I try to upload the custom firm, but I still get the error. Does anyone know how to fix it? If you have the answer, I would infinitely appreciate your help.
    Write to me victorcavaliere@gmail.com Thank you very much in advance!

  142.   Catherine said

    Hello everyone, can you help me I have an iphone 3g ios 4.2.1 bb 05.15.04 and I want to jailbreak, maybe you can guide me with what program I can do it without uploading baseband, by the way it is free with all operators. Any help would be great as I'm a bit lost.

  143.   skualo73 said

    Can someone answer the comment I made, thank you. I am desperate to be able to jailbreak my 3G and as you say it does not come out.

  144.   michael said

    askualo73… .. you lose time friend the issue of firm was to put it when you had a version prior to this ose aexample let's say you had 3.1.3 on your iphone saving the shshshshs if you didn't like normal you could return to 3.1.3 or another version. .But since you updated it to 4.2.1, the BASEBAND uploaded to you, so you can't, that's why it sends you that error, the only thing left is to bring the jailbreak to it with resdnow and you will have jailbreak first, inform yourself well before doing anything as you read in The title of the post says 4.2.1 without modifying the baseband but updating to 4.2.1 from the front, you already modified it so you can no longer do this to me, the same thing happened to me later I realized that I did not see to do that q azaooooooooo

  145.   niltonmonti said

    very good it worked great for me

  146.   TOMAS said

    After going around a thousand times to release the iPhone, I called Movistar, I gave them the iPhone imei, and just by saying I wanted to release it and give them the number they told me to connect it to iTunes and continue. 10 minutes and that's it

  147.   javicho said

    I followed all the steps and it didn't work for me.

  148.   He saw said

    Hello, does anyone know if there is already a method or tutorial to downgrade to those that we have 4.2.1 baseband 6.15? obviously without having the shshsh saved that I don't have them, greetings

  149.   Tomas said

    Hello! Friend I got the error 1604, I have an iPhone 3G and PS I want to know if with this process that besides this very good, it helps me to fix my iPhone?

    Thank you!!!

  150.   edgar said

    it is very good works perfectly only for those who do not know ..
    put it in DFU mode in redsn0w in the option that says just DFU (the last option) thank you very muchss ..

  151.   Ervin said

    You just have to use iREB-r3 so that there are no 16XX errors and that's it, it works 100% on the iphone 3g I did it only that the base band 6.15.00 makes the wifi not work and therefore it cannot be released because it does not it has an internet connection….

    1.    July said

      hello friend if you tell me how to do it .. poes noc where to start I get to get the error 1604 and that is because I found a firmware that said keesta has already been balanced and hack activated and I want to change my original firmware x that .. x that me drop that error .. and you tell me to use this other program like that .. help me please .. I have an American iPhone 8GB is 3G

    2.    July said

      as the base band 6.15. ** does not work the wifi .. io I have my American iPhone 3G with base ban 6.15. ** firmware 4.2.1 and the wifi and all its functions are stable .. even the bluetoh if it malfunctions from time to time

  152.   frans said

    hello I would like to know if this can be done with a baseband 04.26.08

  153.   river said

    oie I have an iphone 3g with version 4.2.1 and I want to open the squat sim, can I do the whole process or do I just install the ultrasnow ????

    1.    event said

      Excellent works totally, you can use it with complete confidence. I have an iPhone 3g with firmware 4.2.1 Jailbroken with RedSn0w and Released with UltraSnow and BaseBand 6.15.00, I made the mistake of restoring it with iTunes and the phone had stayed in DFU mode, I tried various network tools and when I tried to restore it , Itunes threw the error 1015, then I finally got this post and managed to restore it as explained here ... Thank you very much and Congratulations

    2.    Melissa said

      Just install ultrasnow .. And you will be free to use any simcard

  154.   event said

    Excellent works totally, you can use it with complete confidence. I have an iPhone 3g with 4.2.1 Jailbreaked with RedSn0w and Released with UltraSnow and BaseBand or Firmware 6.15.00, I made the mistake of restoring it with iTunes and the phone had stayed in DFU mode, I tried various network tools and when I tried restore it, iTunes threw the error 1015, then I finally got this post and managed to restore it as explained here ... Thank you very much and Congratulations

  155.   kenneth said

    Hello, I have an iphone 3g version 3.1.3, what would I have to do to update this firmware without losing the cell phone data? Thank you.

  156.   cake said

    Hello, I have an American iPhone 3G, I gave it to delete settings and contents and when I connect it to the pc it turns on and asks me to connect it to iTunes and you want to restore it and when all the update is loaded it tells me that it cannot be because my time of wait for it to finish and to verify my network settings, and I want to put the firmware 4.2.1 and it gives me the error 1015, and then it puts the firmware custon and it gives me the error 1604, I already download the redsnow ireb, but it doesn't I can put in DFu mode because the power button doesn't recognize me anymore and I have no idea how to put DFU mode if you can help me I would appreciate it very much ...

    Thank you

    1.    AFI said

      TRY WITH THIS LET EVERYTHING THAT SHUT OFF DOWNLOAD AND THEN CONNECT THE DATA CABLE IN THE IPHONE THEN LEAVE THE HOME BUTTON PRESSED AND CONNECT IT TO THE PC AND DO NOT RELEASE IT FOR ANYTHING AND TURN ON THE ITUNES AND RESTORE IT DO NOT RELEASE IT UNTIL YOU FINISH TEST WITH A LOWER SIGNATURE SO THAT YOU CAN RECOVER IT FROM LOST I TEST IF IT IS WITH 4.2 I PUT 3.0 OR 3.1 SO UNTIL IT GETS OUT OF THAT ERROR

      1.    jose villanueva said

        you could upload it to another server the jotos of the fbi closed megaupload please !!! upload it to another server yaaaaa !!! before the other servers close !!! or we have to pay !!!!

  157.   Skorpora said

    I get an error in Itunes (The iPhone could not be restored because the firmware file is not compatible) How do I solve it?

  158.   eagle373 said

    Please upload the file «firmware 4.2.1 for iPhone 3G», in another download server. Since the FBI closed the megaupload.
    Thank you…

  159.   Mauritius said

    FBI closed the download link will it be possible to upload it in another service ??? Thank you

  160.   Saints said

    I agree with the 2 above

  161.   Fernando said

    Hello can you re-upload the link to mediafire, or another server, since it is a good firmware.

  162.   Ricardo said

    Hi, can you upload the firmware to another page, I need it, we no longer have megaupload available

  163.   johnbprado said

    You can put the Firmware on another server since the megaupload is blocked.

  164.   gabriela said

    Hello, the following happened to me, they gave me an iphone 3g and I could not send messages or download applications from the internet for some error, he told me then I went to restore and delete data and settings from the same iphone and he tells me this and it will take 1 hour then after that it turns on only the apple and then I put it in restore mode and the itunes logo appeared with the usb and I did everything as it appeared at the top of this post, please help me, I need it, tell me how to get my iphone safe and sound again
    Thank you

    1.    and said

      Exactly the same thing happened to me, have you solved it? .. Please let me know in some way to fix it since iTunes tells me that it has already been restored and that it will close and open when everything is fine but it never opens again and the pure logo remains on the snowbreez display

  165.   Valery said

    Hi, I'm new to all this iphone stuff and I'm trying to install cydia, but my question is,
    How do I do it if I have an iPhone 3G? (I cannot update the iOs because it is a refurbished phone and it could block the calling function).
    Is it still possible to install Cydia?
    Thank you

  166.   Luis said

    How about, please re-release the custom firmware for the iPhone 3G, it seems to be very useful.

    Greetings.

  167.   Juan said

    It would be possible to upload the file to another server, thank you very much.

  168.   jose villanueva said

    fuck!!!!!!!!!!!!!!!!!! upload it on another server !!!! I pay for that reason I can't find a firmware that doesn't modify the baseband and that has the cydia included and I can't find it and this is the perfect one and nothing please !!!! upload it to another server !!!! is that the power button of my iphone is damaged!

  169.   johan said

    Hello, thank you very much for the contribution, but would it be possible to upload it to another server? Thanks.

  170.   styles said

    ok man they blocked you

  171.   Jordi said

    hello greetings I write to you to know if you could help me with an error on my iphone 3g, the problem was that I wanted to update, download an original IOS from 4.2.1 and I wanted to upload it with redsnow when uploading it park that put the ipad baseband and install cidya iso its process and when restarting the iphone by orders of redsnow it did not pass the apple, then I wanted to upload it by itunes pressing restore with shift pressed so that it looks for the file on the pc and when it finishes it gives me error 1015.

    I would like to know if you could help me with that little problem, thank you.

  172.   Jordi said

    Hello greetings, I write to you to know if you could help me with an error on my iphone 3g, the problem was that I wanted to update, download an original IOS from 4.2.1 and I wanted to upload it with redsnow when uploading it park that put the baseband of the ipad and install cidya iso its process and when restarting the iphone by order of the redsnow it did not happen of the apple, then I wanted to upload it by itunes pressing restore with shift pressed so that it looks for the file on the pc and when it finishes it gives me error 1015, I hope that Can you help with that problem that I have there and it would be good to re-upload that custom that I think can help me and others

  173.   Kiori said

    Hello! Thank you very much for the links, I am new to this, what is the difference between the Custom 4.2.1 FW: 3G 4.2.1 Custom Restore and the Official 4.2.1 FW: Official 3G 4.2.1 Restore?

    1.    Alexios said

      The Direferncia is that the "custom" already comes with the jailbreak released, and the Restore is the original one that installs iTunes normally. rusty I'm downloading the cumston I hope it works I've been looking for it for a long time I have the big problem and it is that the power key does not work so the DFU is impossible.

  174.   neidy said

    HELLO I NEED HELP, I UPDATED MY IPHONE 3G TO VERSION 4.2.1 AND UPLOADED THE BASEBAND TO 6.15.00… DOES NOT GET SIGNAL WITH ANY OF THE OPERATORS… HELP XFAVOR-

  175.   second hand computers said

    broken link …… .to download firmware

  176.   rodrigo said

    Please upload it again, broken link, preferably mediafire is very good I need that firmware.

  177.   rodrigo said

    Upload the custom firmware for 3g again. The link is broken thanks

  178.   Alcides said

    I do not have much experience in the matter but, I would like to help so many people who have difficulties. Well, a few days ago I took on the task of knowing a little about iPhone and I have activated some IOS already with Cydia. Suggest where I can upload one (4.2.1 for example) and we will gladly give you a hand ... Of course, you are looking for a tutorial (they abound on the net) how to install it on your iPhone 3G ...
    regards

  179.   liveman said

    Have friends. I have this ios from when I had my iPhone 3 now I have iPhone 4. I have it saved there and it works. Well since the links are broken and those of the post. They do not answer ... If they want I upload it to a server. But I grab the internet. Free from the neighbor. If you want, I can upload it. As I told you but I want to know how many people there are. Quite a lot. I put it up. But if there are few, why don't I go? To take time since the interest is. Lentil. A snail. It's faster. Send emails. What if. There are. A. Good. Amount of. People I upload it to the server that you want once uploaded. I send the link to your emails which makes me bitter. No thanks. Going to. Say.hehehe.as they say in the post to thank it does not cost anything so they motivate aq one to help others more Well. Here goes Liveman24@googlemail.com. Bye

  180.   rodrigo said

    Well, if I would be very grateful if you could upload it, you get many out of trouble, of course, sometimes they do not thank, but still it would help us a lot

  181.   Carlos said

    Hello, could you upload this custom firmware again Please! I have an iphone 3G with ios 3.1.3 and bb 6.15 and I can't create any custom firmware to update to 4.2.1 Could you please help me
    Thank you…

  182.   Jordi said

    I would be one of the few who would appreciate it a lot if you could upload that custom since like Carlos I have my iPhone in 3.1.3 with the baseband in 6.15 I hope and you can upload it soon please
    Thank you

  183.   andrys said

    hello rusty
    I'm downloading. my iphone is 3g 4.2.1 bb 6.15 I was eager for this item
    I had not been able to fix it for months.
    As soon as you try, I notify you and please help me with any things, thank you, take care

  184.   andrys said

    hello brother urgently need it is custom firmware I congratulate you on the article

    The link is broken thanks…. you can send it to my email ajrb@live.com if you can
    and thank you for helping so many people who need you ...

  185.   rodrigo said

    CARLOS, JORDI and ANDRYS:
    I already got the custom 4.2 firmware and it works perfectly give me your email and I will send it to you, if you still need it, send me an email rodrigo_8015@hotmail.com requesting it and I send it to you.

    THE SOFTWARE CHANGE PROCEDURE IS SIMPLE IF THEY WANT TO GIVE THEM A VERY SIMPLE TUTOR TO DO IT STEP BY STEP, AFTER LONG SEARCHING AND FAILING WITH THIS PROCEDURE I WILL ACHIEVE IT WITHOUT PROBLEM.

    NOTIFY ME ……… ..

    1.    andrys said

      thanks little brother I made it…. I'm going to write you down in my email you never know ... just in case in the future mine is ajrb@live.com

    2.    eduardo said

      Please i need the firmware you mention to fix my iphone 3g

    3.    carlokillo said

      I need it, please, I don't know how to unlock my iphone 3g safari won't let me download anything
      Thank you

  186.   andrys said

    it works totally, you can use it with complete confidence. Iphone 3g with firmware 4.2.1 Jailbroken with RedSn0w and Released with UltraSnow and BaseBand 6.15.00, I tried several times, followed the steps, the Itunes threw the error 1634, I disconnected it and the wifi worked for me because I do not have the sim car ... and then they already know how to enter cydia and do the rest…. Thank you very much and Congratulations a thousand thanks, wait 5 months to come across this post….

  187.   mauro said

    My iPhone 3g was released and I used it for almost a year with two cell companies. but one day I put it to load, it appeared blocked only with the apple logo. I was with 6.15 and 4.2.1, but wanting to do the recovery in iTunes I charge the phone but it no longer gave the bands to be able to use it as a phone. pass the ultrasnow and nothing. look for the bigner repo and nothing

    WHAT I CAN DO?

  188.   JP said

    Could you re-upload the file? the download link is from megaupload and logically it is no longer operational. Thanks

  189.   rodrigo said

    for those who need, this is the link to download the custom 3g that is needed to reset your iphone 3g.
    http://hotfile.com/dl/94005490/d2f64fd/iPhone3G_4.2.1_8C148_Custom.iPhoneRock.Com.ipsw.html
    Download and if you need I will do a tutorial to make it easier for you.

  190.   Kevin said

    Hello, I need this custom 3g firmware, because the links are down as well as the hotfile, it will be that you can give me some links where I can download them!

  191.   Wilkin L. said

    I am new to this, could you tell me if it is advisable to change the firmware from 3.2.1. To 4.2.1 by iTunes please thank you.

  192.   jose said

    hello friends, i have an iphone 3g to be blocked. do you know if it can be unlocked? They have told me that if you can, but I do not catch anything, if you can help me, that adds me to facebook, my name is, Ignacio Mora Esparza, I would appreciate if you could help me, thank you

  193.   carlokillo said

    Please, I need to know how I can unlock my iPhone 3g, where can I download cydia for jalibreak? Porfbor, I want to throw my cell phone out the window, it makes me very bored, nothing works, please help
    hellp hellp

    1.    Rodrigo said

      MY NAME IS RODRIGO DIAZ, THIS IS THE TUTORIAL TO UPDATE THE IPHONE 3G FIRMWARE TO 4.2 IN RESPONSE TO CARLOKILLO AND OTHER PEOPLE WHO NEED IT. I HOPE THIS HELPS YOU.

      - OPEN ITUNES.
      -CONNECT THE IPHONE.
      - YOU SHIFT + CLICK ON THE RESTORE ICON SO THAT THE OPTION TO CHOOSE YOU IS FIRMWARE THAT IS IN THE FOLLOWING LINK THAT IS WORKING UNTIL TODAY:

      http://hotfile.com/dl/94005490/d2f64fd/iPhone3G_4.2.1_8C148_Custom.iPhoneRock.Com.ipsw.html

      - YOU GIVE IT OK AND PUT IT TO RESTORE.
      - WHEN I FINISH IT IS NOT GOING TO RESTORE IT WELL, IT WILL SEND YOU AN ERRO MESSAGE 1404 I BELIEVE OR SIMILAR.
      - NOW ALREADY SEMI-RESTORED YOU ARE GOING TO OPEN IREB-r5 THAT THEY CAN SEARCH FOR YOU OR IF THEY WANT, I WILL ATTACH THEM TO THEIR EMAIL.
      - YOU GIVE HIM ON IPHONE 3G AND HE BEGINS TO CUCK YOU THERE.
      - YOU GO BACK TO ITUNES AND REPEAT THE RESTORATION PROCEDURE WITH THE SAME CUSTOM FIRMWARE YOU DOWNLOADED.

      IT ALREADY HAS TO START WELL.

      ANYTHING NOTICES ME TO THE MAIL rodrigo_8015@hotmail.com

  194.   I Alex Madrid said

    My iphone says that it needs the original Sim card with that custom Firmware it would work normal 4.2.1 It would work without any problem ????????????

  195.   Francisco said

    I have problems with my iphone 3g, white I get error 1015 and firmware not compatible, I don't know what to do, please

    helps

  196.   roddy said

    Olle could you upload the link again please I have my iPhone stuck and I need that file please

  197.   alonso said

    Hello friend, look at the progara, I can't download it. What will happen? Can you send it to me? jhonnatan612@gmail.com