Display issues in mobile devices like screen flickering can be due to hardware damage or software glitches. In most cases though, the problem is tied to software errors like when bad updates are installed, corrupted video apps and files are opened. Other than that, a damaged display component must be the culprit. But before rushing to a service center, you still can try some workarounds and attempt to fix the problem on your end. Listed below are a few helpful solutions you can refer to if ever you need more inputs on what to do when you’ll encounter a similar display problem on screen flickering with your Galaxy J7 Pro device.
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Potential solutions to screen flickering issues affecting Galaxy J7 Pro
The methods I’ve demonstrated here are standard procedures to troubleshoot various types of display issues that are attributed to software errors on the Galaxy J7 Pro handset. These can be regarded as potential solutions for as long as no damage to any of the phone’s physical components is present. Start whenever you’re ready.
First solution: Restart or forced restart.
Many software glitches like random apps crashes, lags, and freezes are usually dealt with by a restart, if not a forced restart. It’s the simplest way to refresh your device. A restart can also help clear up your phone’s internal memory. If the problem persists after the first reboot, then give it another try. It could take more device restarts for some glitches to be rid off completely.
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Hence if it occurs all of a sudden for your device screen to flicker, then it might just be a random glitch which requires a reboot to be rectified.
To do so, press the Power key until the Power menu pops up then touch Power off. Wait for about 30 seconds and then press the Power key again to reboot your device.
For devices that flickers and unresponsive to touch inputs, you can do a forced restart instead.
Just press and hold the Power key and the Volume down key simultaneously for about 10 seconds or until the device power cycles.
Second solution: Turn off hardware overlays from the Developers option.
Some cases of flickering displays experienced by Galaxy J7 Pro owners were tied to a pertinent setting called screen overlay that’s enabled on the device. To make sure this is not the trigger, try to turn this feature off then see if it gives any difference. Here’s how to disable screen overlay for all apps on your Galaxy J7 Pro device:
- Tap Settings from menu.
- Tap Apps or Application.
- Select Application Manager.
- Click MORE on the upper right corner of the screen.
- Tap on Apps that can appear on top.
- Tap More again.
- Select Show System Apps.
- Tap the app switches to turn off screen overlay of all apps one by one.
Third solution: Boot your Galaxy J7 Pro into safe mode.
Booting into safe mode can help rule out the possibility of a third-party app causing the screen to flicker. All third-party apps and services are bypassed or temporarily disabled in safe mode so it’ll be easier for you to isolate the problem. Here’s how to enter safe mode on your Galaxy J7 Pro:
- Turn off your phone.
- Then press the Power key for a few seconds. When the Samsung logo appears, press and hold the Volume Down key until the phone boots up.
- You should see Safe Mode at the bottom left corner of the Home screen.
If the screen flickering or dead pixels don’t appear while using your device in safe mode, it means that a third-party apps is culprit. Uninstall the suspected app(s), probably the most recent app you’ve downloaded or installed on the phone.
If the screen flickering problem persists while in safe mode, continue to troubleshoot your phone system. It’s like more complex software issue that needs to be dealt with.
Fourth solution: Clear system cache and data through Galaxy J7 Pro recovery mode.
Wiping the cache partition can help fix the problem if it’s triggered by some bad files segments or corrupted cache files in the phone system registry. Here’s how to wipe the cache partition on your Samsung Galaxy J7 Pro:
- Turn off your phone.
- Press and hold the Volume Up and Home keys simultaneously then press the Power key.
- When the Android logo appears, release all buttons at once then wait a few seconds for the Android System Recovery screen to appear.
- When prompted with the Recovery menu, press the Volume Down key repeatedly to highlight wipe data/factory reset.
- Then press the Power key to confirm selection.
- Press the Volume Down key to highlight wipe cache partition and then press the Power key to confirm.
- Press the Volume Down key to highlight Yes and press Power again to confirm.
- Wait until the cache partition is cleared. When the Reboot system now option is highlighted, press the Power key to reboot your device.
Fifth solution: Master reset or reset your Galaxy J7 Pro to factory defaults.
A master reset or factory reset can be considered as last resort if the screen flickering issue continues after doing all prior procedures including wipe cache partition. The problem might be too intricate that requires a full system reset. A factory reset will wipe every data from your phone including your personal information. That said, back up your data then proceed with a master reset.
- Power off your device.
- While it’s off, press and hold the Volume Up, Home, and Power keys simultaneously for about 10 to 20 seconds.
- When the Samsung logo appears, release the Power button but keep pressing the Volume Up and Home keys.
- When the Android logo appears, release the remaining buttons.
- While on the Android recovery mode screen, press the Volume Down key to highlight wipe data/factory reset and then press the Power key to confirm.
- Press the Volume Down key to select Yes — delete all user data and then press the Power key to confirm.
- Wait for your device to hard reset. When the reset is complete, the Reboot system now option is highlighted.
- Press the Power key to reboot your phone.
See if that fixes the screen flickering problem on your Galaxy J7 Pro.
Opt for service or hardware damage repair
If none of the above methods worked and that your Galaxy J7 Pro is still showing a flickering display, take your phone to an authorized Samsung service center and have it diagnosed by a technician. There’s a higher chance that your phone is having some sort of physical or liquid damage on any of its display components that requires physical repair or screen replacement.
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