

Release the buttons at that point, and the phone will restart. Keep holding each one for about 10 seconds, until you see the Apple icon come up on the screen. If you have the iPhone 7 or 7Plus, you’ll have to press the Power button and the Volume Down buttons. If you find that you can’t shut the phone down that way, then press the Home and Power buttons down simultaneously.Move the slider to the right, restarting the iPhone.Hold down the Power button until the Slide to Power Off message shows up on the screen. If you can shut the iPhone down normally, then do so.

Doing a hard restart of the iPhone is the most common solution to this problem. This is usually called a frozen keyboard by iPhone users. You might also have a situation where you are using the keyboard of your iPhone, and it freezes or locks up entirely. What to do if Your iPhone Keyboard is Frozen See if the problem is fixed the next time you try to type a message or compose an email.
