If the screen on your device is flickering, there are a few steps you can follow to find out whether the issue is software or hardware related. Flickering is usually caused by a software issue which can be caused by glitches in apps or software bugs.
To best protect your device, make sure to update the software so that it is running the latest operating system and has the latest security updates installed.
Check in Safe Mode
Safe mode can be used to diagnose potential issues caused by some third party applications.
Safe mode runs the device using only the core applications; therefore it can be used to determine if a third party application is causing the problem.
1 Press and hold the power button or button combination you use to turn off your device until the power off screen appears
2 Tap and hold the Power off icon until the option for Safe mode appears
3 Tap Safe mode
If the flickering stops when your device is in Safe Mode, it could mean that the issue is being caused by a bug with one of the apps you have installed. Find out which app is causing the problem and uninstall it. Start by uninstalling the most recent app you downloaded before the problem started. Repeat until the flickering stops. You can always reinstall an app if it wasn't causing the issue.
If the flickering persists even in Safe Mode, it is likely the issue is hardware rather than software related. If this is the case, contact your nearest Samsung Support Centre to book an appointment.
Disable adaptive brightness
If your screen is still flickering, try adjusting your brightness settings, and disabling the adaptive brightness feature.
If the screen on your device is flickering, there are a few steps you can follow to find out whether the issue is software or hardware-related.
Method 2. Restart your device
Restarting the device is often the quickest and easiest way to resolve software issues.
- via Power Key: Press and hold the Power key, and then tap Restart. Tap Restart again to restart your device.
- via Notification panel: Swipe down from the top of the screen to open the Quick settings panel > Power icon, > Restart > Restart.
Method 3. Check in Safe Mode
Booting your smartphone in safe mode is also another option to find out if the screen still flickers or not. Safe mode is like a diagnostic tool to help identify the problems on your device.
Step 1: Turn off your device then power it on.
Step 2: When the Samsung logo appears by itself, press and hold the Volume Down key.
Step 3: The device will switch on in Safe mode. Safe mode will be displayed on the bottom left of the screen.
- If the issue is gone in Safe mode: One of your recently downloaded apps was likely the cause of the problem.
- If the issue still exists: Downloaded apps may not be the cause of the problem. You may need to reset the phone or tablet to the factory setting.
To exit safe mode, restart your device
Method 4. Manage your brightness
If your screen is still flickering, try adjusting your brightness settings.
1. Go to Settings > Display.
2. Tap the switch to deactivate 'Adaptive brightness'.
3. If you have noticed the flickering with low brightness, slide the bar to increase the display brightness.
Note: Device screenshots and menus may vary depending on the device model and software version.
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