How to Fix iPhone Screen Flickering after iOS 12 Update

1. Hard Reset iPhone

Most of the issues you experience with your iPhone can be fixed by simply rebooting your phone. By holding down the Sleep/Wake and Home buttons at the same time until you see the Apple logo appear. You should also make sure your phone battery is charged well and that it is not faulty as this could lead to iPhone screen flickering on and off.

2. Turn Brightness Down to Stop iPhone Screen Flickering

Turning down the brightness of your iPhone is an easy way of fixing iPhone screen flickering. Follow these steps:

  • Go to your iPhone Settings and scroll down to Display & brightness.
  • Turn down the brightness of your iPhone as far as possible then disable Auto brightness.
  • Let it stay in that state for about 10 minutes to set its brightness back to its original state. This will make your iPhone screen to stop flashing.

3. Check Memory Status

When the internal storage of your iPhone is insufficient to carry out additional processes, the phone may start misbehaving. Apart for iPhone screen flickering on and off the phone may have a frozen or unresponsive screen. Once you realize your phone’s memory is almost full you should delete old text messages and media files, unused apps and any other useless files or details stored in your phone.

4. Enable Reduce Transparency

This is a temporary solution to iPhone screen flickering. This is a method for sorting out the problem of an unresponsive touchscreen and the random flickering of your iPhone’s display. Follow the next steps.

  • Go to your device Settings and click on the General tab.
  • Scroll to the Accessibility tab and click on it.
  • Then click on Increase contrast.
  • Lastly, go to Reduce transparency then turn it on.

5. Put iPhone into DFU Mode

The DFU mode means Device Firmware Update Mode. It is a complex method that allows you to make changes to the operating system of your device. These are the steps of putting your iPhone 8 into DFU mode.

step 1: Using a data cable connect your iPhone to your computer then launch iTunes and turn off your device.

Step 2: Press the Power tab for a few seconds but do not release it then hold down the Volume down button.

Step 3: Continue holding down the Power and Volume down tabs for 10 seconds then release the Power tab but keep holding the Volume down tab for 5 seconds.

Step 4: If your iPhone screen remains black and does not show recovery mode, you have been successful in putting your iPhone in DFU Mode.


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