If your iPhone is showing a black screen that never goes away, you should try resetting it or putting it into recovery mode.

From quick restarts to advanced troubleshooting, learn how to revive your touch screen before seeking professional help Reviewed by Lisa Mildon Restarting your device can often fix a touch screen that ...

To prevent your iPhone's screen from automatically turning off, open Settings, go to Display & Brightness, and select "Never" ...