How To Fix a Galaxy S23 With Black Screen or Display Not Turning On You excitedly get your new Samsung Galaxy S23 or S23+ only to hit the power button and realize the screen stays black.

How to Fix iPhone 16 Pro That Won’t Turn On (15-Step Troubleshooting Guide) If your iPhone 16 Pro refuses to turn on, it doesn’t necessarily mean it’s permanently damaged.

If your iPhone shuts off suddenly, check its battery health in the settings to see if it needs replacing. Updating your iPhone's iOS can also fix problems with it turning on and off unexpectedly.

Wait 30 seconds and then press and hold down on the side button to turn your iPhone back on. If you have an older iPhone model, here's how to restart it. Check for a carrier settings update.

Turn off any blue light filter apps you have installed. While these apps claim to help you sleep better, they could also be the cause of your phone’s screen flickering.