IPhone Screen is Freezing/Lagging and Cannot Answer Phone Calls and Scroll the Screen in iOS 13.5.1

iPhone 11 pro max screen is Freezing or lagging in iOS 13.5, how to fix iPhone screen is Freezing and cannot answer phone calls, iPhone 8 and 8 plus screen is Freezing and Crashing after iOS 13.5, iPhone 7 and 7 plus screen is crashing.

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