If your iPhone is completely dead, it may simply be out of battery. Plug it into a charger and wait for a few minutes. If the battery is very low, it may take a while for the iPhone to respond. You ...
If your iPhone is showing a black screen that never goes away, you should try resetting it or putting it into recovery mode.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results