Iphone froze while updating

Press and hold the "Sleep/Wake" button to turn the i Phone off; if this doesn't work, hold the "Sleep/Wake" button and the "Home" button simultaneously until it powers off.

Follow these steps: If you don't see the charging screen within an hour, or you see the connect to power screen, check the jack, USB cable, and power adapter.However there are times this does not work, such as when the i Phone freezes on the Apple logo either after an attempted restart or while you are updating it in i Tunes.You can try several troubleshooting steps to resolve the problem.They may be forced to return your i Phone to Factory-new condition, which will wipe out all of your personal data files, videos, notes, photos, etc.When this occurs, the progress bar might be moving very slowly or seem like it isn't moving.