Many people are trying update your iPhone via OTA, using the Software update available from the iPhone's own settings, but it does not work, the iPhone tells us that «Unable to check for an update, an error occurred while searching for the software update ».
The solution is to change the DNS on our device, to do so you must go to Settings> WiFi> press the blue arrow of the WiFi network to which you are connected and change the numbers that appear in DNS, we recommend you put the Google Public DNS: 8.8.8.8
After this you can go to Software Update and update your device normally. Eye if you are jailbroken, you should NEVER update using Software Update from the iPhone, since you can corrupt files and leave your device unusable; you must do it using iTunes and then do the jailbreak with Redsn0w.
More in Actualidad iPhone: Tutorial: jailbreak tethered to iOS 5.1 with Redsn0w (Mac and windows)
Source: iDB
thank you very much!
Thank you for the news, it does not give me that error but since I have made the jailbreak it does not let me update a greeting
I have an iPhone 4 with iOS 5.0.1 without jailbreak and it won't let me update to 5.1 via OTA, I have done what is in this post and nothing at all ... any ideas? please!
IN THE LAST PART OF THE POST IT SAYS clearer than pouring water on it ...
After this you can go to Software Update and update your device normally. Be careful if you have jailbreak, you should NEVER update using Software Update from the iPhone, since it can corrupt files and leave your device unusable; you must do it using iTunes and then jailbreak with Redsn0w.
Nothing mine is still looking for update and I do not have a jailbreak.