To do this, hold down your i Phone’s power button until the “Slide to Power Off” slider appears.
Swipe the slider from left to right with your finger, wait a few seconds for your i Phone to power off, and immediately turn it back on by holding down the power button.
Keep in mind that if you try to update an app purchased from another i Tunes Store account, you are prompted for that account’s ID and password.
If you can’t provide them, you aren’t allowed to download the update.
And there are lots of smaller point updates in between, adding tweaks and important security fixes.
It’s often seen as the final step in fixing software on a stuck i Phone.
If the DFU restore doesn’t work, there’s probably a hardware problem with your i Phone.
Thousands of people had a hard time installing the update and asked us for help!
So, if you’re trying to perform a major update on your i Phone, keep in mind that lots of other people are too, so sometimes you just have to be a little patient!