Revive your unresponsive iPhone by forcing it to restart. Additionally, you can try charging the phone or reinstalling iOS.
If your iPhone is showing a black screen that never goes away, you should try resetting it or putting it into recovery mode.
iPhones are generally reliable, but they can still run into issues from time to time. Sometimes it's something minor, like the screen refusing to rotate or the keyboard freezing. At other times, the ...