Connecting it to the computer brought up another error window that said, "There is a problem with the i Phone 'i Phone' that requires it to be updated or restored." The message indicated you might have been able to fix the problem by updating your phone, but if the update didn't work, you might have had to restore your phone to factory settings, which erases all content and settings.
"We experienced a brief issue with the software update process, affecting a small number of users during the first hour of availability," Apple said in a statement.
Unfortunately, the update process isn’t going so smoothly for some.
If it doesn't for any reason, then download IOS6 and save it in your computer, and when you open i Tune, press and hold the Shift key (if on Windows) and click restore at the same time, from here search the saved firmware and start with the restore process.
If you see an error message while trying to update your device wirelessly, learn what to do.
The consistent issue seems to be going through Settings – Software Update, where the gears will continue to grind, but the update has reportedly frozen. A hard reboot is reportedly fixing the situation for those who have tried it, after their update stalls.
If you are suffering through the same issue, here’s what to do: hold down the Home and Sleep/Wake button for several seconds.