i Tunes takes care of offloading the corrupt firmware, reinstalling a new operating system (the one in your backup) and reloads all your settings and data. Complete the restore process by following the prompts in i Tunes.This will most likely take care of the bad bits we mentioned earlier. i Phone is a symptom of a larger problem, usually a performance problem.
Connect your i Phone via a cable and let detect it. Important: Please note that by fixing the issue - i Phone stuck at Apple logo, the i OS operating system on your i Phone will be updated to the latest version.Step 3: Hit “Clean” button of Junk Files and it will start cleaning.It might have happened to you that you're trying to restore your i Phone but no matter what you do, i Phone won't restore because an i Tunes error 21 or i Phone Error 21 keeps popping up!To use Umate pro to do this, do the following steps: Try It Free Try It Free i My Fone Umate Pro is fully compatible with i OS 11 and receive lots of positive reviews from uk, , etc.Step 1: Install the i My Fone Umate on your computer and link your i Phone to it. Maybe your device’s battery wasn’t fully charged when the upgrade process began, or the upgrade process ran the battery down or quite simply a faulty battery. Now that we have knocked off battery as a potential culprit, the next step is to try a hard reset to see if the problem was just i OS crash.