Open parameters and look for the screen timeout or sleep setting.
How Do I Stop My Android Screen From Turning Off?
The easiest way to make your Android devices screen stay on longer is to adjust the built-in Sleep setting.
Here’s how to change this:
Open theSettingsapp.
Select how long you want the screen to stay on before turning off due to inactivity.
The longest option is 30 minutes.
The change will take effect immediately.
How Do I Keep My Android Screen Always On With an App?
Its completely free to use and works as intended.
Tap the switch next toAllow modifying system configs.
Tap the back arrow to return to the app.
Tap theyellow bulbicon in the lower-right corner.
Always on Display controls can usually be found within the controls app.
Go toSettings>Display>Screen Saverand select an option, such as Photos or Colors.
Access YouTube.com in a Firefox or Chrome surfing app window, choose the menu, and chooseDesktop Site.
