howtosimply.com/guides/how-to-change-the-screen-timeout-on-a-samsung-galaxy-phone/ · Checked October 2026 · Samsung Galaxy A57 (One UI 9, Android 17 (build A576BXXU6BZIE)) and Samsung Galaxy A57 5G (One UI 8.5, Android 16)

In this guide

Open Display
Open Screen timeout
Pick a time
Keep the screen on while you look at it
If you do not see this option
If this does not work
Good to know
Sources

Quick answer

Open Settings, Display, Screen timeout and pick a time from 15 seconds to 10 minutes. Keep screen on while viewing, on the same page, uses the front camera to keep the screen on while you look at it.

4 of 4 steps with real screenshots · 2 official sources below

Device: Android
Shown on: Samsung Galaxy A57 (SM-A576B), One UI 9, Android 17 (build A576BXXU6BZIE), Samsung Galaxy A57 5G (SM-A576B), One UI 8.5, Android 16
App: Settings
Path: Settings › Display
Real screenshots: 4 of 4 steps
Our phone: Shown on Galaxy A57, One UI 8.5
Checked: October 2026
Sources: 2 official, linked below

Step by step

Open Display
Open Settings and tap Display.
Done
Open Screen timeout
Scroll down the Display page and tap Screen timeout.
Done
Pick a time
Choose 15 seconds, 30 seconds, 1 minute, 2 minutes, 5 minutes or 10 minutes. Samsung suggests 1 minute or less to save battery.
Done
Keep the screen on while you look at it
Keep screen on while viewing uses the front camera to detect your face and keeps the screen on as long as you look at it. It works less well in dim light.
Done

If you do not see this option

You want longer than 10 minutes Samsung says only the times in the list can be chosen, and the timeout cannot be turned off, because that would affect battery life and performance. Source: Change the screen timeout on your Samsung Galaxy to save power
The lock screen goes dark sooner Samsung says Screen timeout applies to the main screen. The lock screen may turn off after a shorter time, and that cannot be changed. Source: Change the screen timeout on your Samsung Galaxy to save power
There is no Keep screen on while viewing Samsung says older software calls it Smart stay. Search Settings for either name. Source: Stop the screen brightness from dimming on your Galaxy phone or tablet

If this does not work

Keep screen on while viewing does not keep it on Samsung says it may not work well in low light or when the front camera cannot see your face clearly. Source: Change the screen timeout on your Samsung Galaxy to save power
The screen turns off during a video in a browser Samsung says apps such as YouTube keep the screen on while a video plays, but a video in a browser may not. Tap the video, then its full screen icon. Source: Change the screen timeout on your Samsung Galaxy to save power