Having your iPhone screen turn off while you're viewing something on the display can be pretty inconvenient. While it usually won't shut off if you're interacting with the device, there can be ...
If your iPhone screen keeps turning off while you’re reading or cooking, a quick setting change can help keep it awake longer.
How to fix it: Go to Settings - General - Background App Refresh - Off (or choose “Wi-Fi only” if you still want some ...