How to Fix Android Screen Flickering

Experiencing flickering, blinking, or flashing on your Android phone’s screen? It can be frustrating. But don’t worry, in most cases it’s fixable.

This complete guide covers all the solutions you need to stop your Android screen from flickering and get it working properly again.

What Causes an Android Screen to Flicker?

Before diving into the fixes, it helps to understand what causes the screen flickering issue in the first place.

The most common culprits include:

  • Buggy app: A misbehaving app could be trying to redraw the screen rapidly
  • Display driver issues
  • Faulty hardware: Ribbon cable, LCD connector, damaged screen
  • Incompatible power supply
  • Outdated software

Software Solutions

If it’s a software issue causing the flickering, try these troubleshooting steps first:

1. Restart Your Device

Restarting your phone closes all open apps and resets components.

This can stop misbehaving system processes, drivers, and apps that are causing the flickering.

Here’s how you restart or “force reboot” your Android phone:

Android 9+ with Power + Volume Down key:

  1. Hold the Power button and either the Volume Up or Down button.
  2. Keep holding until the phone vibrates and turns off.
  3. The phone will automatically boot back up in 10-15 seconds

Android 8 or older: Remove the battery or hold the Power button

  1. If the battery is removable, take it out > put it back in > reboot.
  2. Or hold the Power button down for 6-8 seconds until it turns off.
  3. Then turn your phone back on to reboot

2. Check for App Issues

To determine if a buggy app is causing the flickering, use your phone in Safe Mode.

This disables all third-party apps.

  1. Press the power button > Hold Power off option
  2. Tap OK to restart in Safe Mode (you’ll see “Safe Mode” on the bottom left)
  3. Test if the screen still flickers in Safe Mode
  4. If the flickering stops, it’s an app issue – you’ll need to identify the problematic app
  5. To exit Safe Mode, restart your phone normally

3. Update Software

An outdated OS and firmware can also cause display problems.

Updating to the latest software version often fixes screen glitches.

  1. Go to Settings > System > System update
  2. Tap Check for update
  3. If an update is available, download and install it
  4. Restart your phone and test if screen flickering stops

4. Toggle Settings

Changing some settings can make the flickering go away:

  • Reduce screen brightness – Adjust using the slider in Quick Settings
  • Disable auto-brightness – Go to Settings > Display > Adaptive brightness
  • Change refresh rate – Set to 60Hz in Settings > Display > Refresh rate
  • Disable battery saver mode if it’s changing the refresh rate

5. Reset App Preferences

Resetting app preferences clears any saved display settings for apps that could be causing issues:

  1. Go to Settings > Apps
  2. Tap the menu icon (3 vertical dots at top right)
  3. Select Reset app preferences > Reset apps

Hardware Fixes

If your Android screen still flickers after trying all software troubleshooting, it’s likely a hardware defect.

Try these fixes:

1. Check Connections

A loose display connector cable is a common cause of flickering.

Carefully check the connections:

  • Turn off the phone, open the case, and disconnect the battery
  • Check if the display cable is dust-free and properly inserted into the connectors
  • Remove and reconnect the cable, pressing down firmly to ensure a tight fit
  • Re-assemble the phone, reconnect the battery, and test the screen

2. Replace Display Cable

If re-seating doesn’t help, the display ribbon cable is probably damaged.

Replace it:

  1. Buy a replacement part for your phone model
  2. Watch video guides to properly disassemble the phone
  3. Unplug the faulty cable, install a new cable
  4. Re-assemble the phone and test – the screen should work fine

Be gentle when handling delicate connectors to avoid any further damage.

3. Replace Screen

If adjusting connections doesn’t fix the flickering, the LCD panel itself has likely failed:

  1. Order a replacement screen for your phone’s specific model
  2. Follow the video guide for full phone disassembly
  3. Detach the old screen and swap in the new replacement
  4. Reassemble the phone and verify new display works nicely

For optimal results, get your screen replaced professionally at a reputed phone repair shop.

Frequently Asked Questions

Why does my Android screen flicker randomly?

Random screen flickering is usually caused by an app that rapidly refreshes the display. Buggy apps, games, and camera modes are common culprits. Restarting your phone closes the app and stops the flickering.

Why does my Samsung screen flicker and glitch?

On Samsung phones, a faulty AMOLED display driver is a common reason for screen flickering issues. Connector problems can also cause flickering. Checking display cable connections and updating software can fix Samsung screen glitches.

How to fix an Android phone with water damage if the screen flickers?

If your phone was exposed to moisture and the screen flickers or is distorted, water likely reached the display connectors causing a short circuit. You’ll need to open up the phone, clean the corrosion, dry out components, and replace any damaged parts like the charging port, display cable, or screen.

Conclusion

In some cases, it may be possible to salvage damaged parts with pure isopropyl alcohol. But if the circuitry is fried, replacements will be needed.

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