How to fix iPhone 11 Pro screen flickering issue after updating to iOS 13.2.3

Contrary to what many people thought of display issues like screen flickering being caused by a damaged screen component, software-related factors like iOS bugs can also trigger occurrence of these symptoms. As a matter of fact, display issues including a flickering display have emerged among the post-update issues raised by some iPhone owners after installing new update to iOS. If for some reason you would end up facing the same problem on your new iPhone after updating to iOS version 13.2.3, this post highlights some potential solutions for you to try on. Read on to find out how to deal with screen flickering issue on your iphone 11 Pro following the recent iOS update installation.

Troubleshooting iPhone 11 Pro screen flickering issue after iOS update

The following procedures will help rule out any iOS bugs that might have ruined your iPhone’s display system and trigger the screen to flicker. You can try all these methods before taking your iPhone to a service center.


First solution: Restart your iPhone.

Different issues could instigate from an iOS update and atypical display behaviors like screen flickering are among them. Often times, the transpiring symptoms are due to some minor post-update flaws and therefore can easily be remedied by rebooting the iPhone. That said, performing a soft reset is the first recommended solution for you to try. This will help clear out random system caches and post-update errors that caused the display system to suddenly become unstable. It doesn’t affect any saved information on your iPhone, so you don’t need to back up files beforehand. Just follow these steps:

  1. Simultaneously press and hold the Side and Volume Up buttons for a few seconds.
  2. Release both buttons when the Slide to Power off bar appears.
  3. Swipe or drag the bar to turn your device off.
  4. After about 30 seconds, press and hold the Side button and then release when the Apple logo appears.

Try to observe how your iPhone screen behaves after the soft reset. If screen flickering continues, try other options to rule out other possible triggers.

Second solution: Adjust your iPhone’s screen brightness.

Some iPhone owners who have faced with the same display issue after an iOS update installation were able to find temporary remedies by adjusting their phone’s screen brightness. To see if this tweak will deliver positive results, try to adjust the screen brightness of your iPhone 11 Pro with these steps:

  1. From the Home screen, tap on Settings.
  2. Scroll down and tap Display & Brightness.
  3. Drag the slider under Brightness to the left or right to reduce or increase screen brightness.

You can also enable Auto-Brightness to let your device adjust the display brightness based on its surroundings. Simply toggle the switch next to Auto-brightness to turn the feature On.

Another temporary solution to post-update display issues, particularly those depicted by screen flickering symptoms is to enable reduce transparency on your phone. Doing so enhances contrast to some backgrounds and thereby augmenting legibility. Here’s how to activate this feature on your iPhone 11 Pro:

  1. From the Home screen, tap Settings.
  2. Select General.
  3. Scroll down to and tap on Accessibility.
  4. Select the option to Increase Contrast.
  5. Then toggle the Reduce Transparency switch to enable the feature.

See if any of these tweaks is able to stop the screen flickering symptoms on your device.

Third solution: Check and manage internal memory.

Screen flickering can also occur among other performance issues attributed to insufficient memory or low storage space. While this isn’t likely applicable to your iPhone given that it’s new and packed with bigger storage capacity, similar issues can also be triggered if any of your downloaded apps is acting up and using up a significant amount of storage. To clear this out, follow these steps to check and manage memory status of your iPhone 11 Pro:

  1. From the Home screen, tap on Settings.
  2. Select General.
  3. Tap iPhone Storage.
  4. Tap the option to view more information on the Used storage and Available Memory.

You can also view how much memory each app has used. If necessary, delete all unused apps to free up memory space on your device.


Fourth solution: Reset all settings on your iPhone 11 Pro to fix screen flickering issue after updating.

Eliminating invalid system settings can also help fix the problem, especially if some critical settings were overwritten by the recent update and that resulted in some conflicts. There’s no need to worry of losing important files afterwards because this reset does not affect the internal data. However, all your current system settings and customized options are deleted. Just follow these steps if you wish to proceed with this reset:

  1. From the Home screen, tap on Settings.
  2. Select General.
  3. Scroll down and tap on Reset.
  4. Tap Reset all settings from the given options.
  5. Enter your passcode if prompted to continue.
  6. Confirm action by tapping the option to reset all settings on your device.

After the reset, all default values and options are restored, so you will need to re-enable necessary features, particularly those that are disabled by default.


Fifth solution: Restore your iPhone to its factory default settings (factory reset).

A factory reset wipes everything from your iPhone storage including saved apps, contacts, customized settings, and personal information. Any complex system errors inflicted by the recent iOS update implementation that trigger screen flickering issue will also be deleted in the process. Any other associated symptoms are also fixed. But the main downside you should note is on permanent data loss. That said, creating a backup is highly recommended before you proceed with this reset. Once you’ve secured your backup file, follow these steps to factory reset your iPhone 11 Pro through settings menu:

  1. From the Home screen, tap on Settings.
  2. Select General.
  3. Scroll down and tap on Reset.
  4. Tap Erase all content and settings from the given options.
  5. Enter your passcode if prompted to continue.
  6. Confirm action by tapping the option to erase and reset your iPhone

Alternatively, you can use iTunes to manually erase and restore your iPhone system from a previous iOS backup through a computer.

Last resort: Restore your iPhone from an iOS backup (system downgrade).

Resorting to an iOS downgrade can be considered among the last options if all else failed to fix the problem. This can be deemed a better move while waiting for Apple to issue anew fix patch. The following steps will walk you through restoring your iPhone 11 Pro from a previous backup via recovery mode. This however is only possible if you’ve managed to backup your iPhone data on your computer before updating to iOS 13.2.3. If you did, then you may start restoring your iPhone whenever you’re ready:

  1. Connect your iPhone to a computer using the original USB cable or Lightning cable that came with it.
  2. Open iTunes on your Windows and/or earlier Mac computer or Finder app on your Mac running macOS Catalina.
  3. While your device is connected, quickly press and release the Volume Up key.
  4. Then quickly press and release the Volume Down key.
  5. Next, press and hold the Side button until the Connect to iTunes or recovery mode screen appears. Do not release the button if you  see the Apple logo as you’ll need to boot your phone in recovery mode.

Shortly after you see the Connect to iTunes screen, you will be prompted with the next instructions via message prompts. If prompted to Update or Restore your iPhone in iTunes, select Restore to erase your device and restore it from a recent iOS backup saved on your computer drive via iTunes.


What to do if screen flickering issue continues on your iPhone 11 Pro?

You can also use third-party tools to fix screen flickering and other post-update display issues on your iPhone without deleting any personal information.

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