Your reasons for restoring will vary, but one reason people often choose to get rid of their jailbreak is to install the latest (not yet jailbroken) version of i OS.
At the time of writing, that’s 7.1.2 and it’s already been jailbroken – but that doesn’t mean you can simply upgrade using the option in .
Wan to update i Phone 4 or i Phone 3GS to update latest i OS without updating i Phone baseband to unlock it later using Ultra Sn0w or Gevey SIM? These are the steps to update i Phone 4 or i Phone 3GS to latest i OS firmware without updating the baseband.If you are getting errors trying to restore in i Tunes, DFU mode is very likely for you. Recovery mode has a picture that says connect to i Tunes.In DFU mode, the i Phone screen backlight is not even on and the display is blank. Try adjusting the 10 seconds to be slightly less like 9 seconds, then 8, then 7. If you jailbreak your i OS devices, there usually comes a point where you get stuck on an older firmware because the latest one hasn’t yet been hacked by the jailbreak community.When this time comes, it’s almost impossible to restore your device and start with a clean OS Semi-Restore is in beta testing at the moment, and it’s not yet clear when it’ll be officially available to the public.