How to stop my iphone screen from turning off

How do I make my iPhone screen stay on all the time?

Setting Auto-Lock to "Never" will keep your screen awake all the time..
Open the Settings app on your iPhone..
Scroll down and tap Display & Brightness. ... .
In the Display and Brightness settings, tap Auto-Lock..

How do I stop my screen from turning off?

All you need to do is click on the settings menu from the notification panel or the app drawer and go to the settings icon. Now click on the Display icon. Click on Screen Timeout and click on the Never option. After Clicking on Screen timeout your phone screen will stop turning off.

How do I stop my iPhone screen from blacking?

If your screen is black or frozen.
Press and quickly release the volume up button..
Press and quickly release the volume down button..
Press and hold the side button until you see the Apple logo..
If your phone doesn't turn on, follow these steps to check your hardware and charge your phone..