There are various problems with the Kindle Paperwhite frozen, but the most common one is when it freezes and becomes unresponsive. Find out if this is happening to your device and if you can fix it by following a few simple steps. for more info visit
Kindle Paperwhite Frozen Screen - Let’s Fix your Kindle!
Troubleshoot Kindle Paperwhite frozen screen Press and hold the power button for 40 seconds. Let’s Fix your Kindle frozen issues.https://www.itforsoftware.com/kindle-paperwhite-frozen-screen/