What could possibly cause your iPhone screen to flicker or misbehave?
Device issues are categorized into two types — software-related and hardware-related. Software-related issues have a higher chance of getting resolved by user-defined workarounds compared to issues linked to hardware. The latter often requires professional aid to get your device fixed. In some cases, an iPhone screen may flicker, freeze, or become unresponsive due to some settings that are misconfigured or certain apps suddenly went rogue.
Basing on the given problem statement, it’s a bit hard for us to determine if the problem is due to a faulty hardware or software. Although the user has said that the device was not exposed to water/liquid, he failed to state if there’s any instance when the phone fell or was dropped. For this reason, I’ve decided to demonstrate all possible workarounds applicable to software- and hardware-related screen issues on the iPhone 6 Plus.
Recommended Workarounds/Solutions for iPhone 6 Plus screen problems
After digging through some forums threads and posts, I’ve managed to come up with the following list of recommendations to anyone who is having similar problems with their iPhone 6 Plus screen, as described in the aforesaid problem statement.
You may try any of these methods to fix screen flickering, freezing, and unresponsive touchscreen on your iPhone, whatever you think is best applicable to your situation.
Important Note: Be sure to test your device after completing each of the following troubleshooting steps to see if the problem is fixed. Proceed to the next step(s), if necessary.
Screen problems associated with faulty software or corrupted applications can be rectified by performing any of the following procedures:
Step 1: Restart your iPhone. Most of the time, small bugs can easily be fixed by a simple reboot on your phone. Hold down the Sleep/Wake button and Home buttons simultaneously until the Apple logo appears.
Also, ensure your phone has sufficient battery power and that the battery is not damaged as these too could trigger your screen to act weird.
Step 2: Configure Display settings. Some iPhone users who have experienced similar screen problems on their device fixed them by reducing the screen brightness. You can also try to disable auto-brightness and see what happens.
To make your iPhone 6 Plus screen brighter or darker, slide your finger up from the bottom of the screen (from any screen). This will open the Control Center. From there you can touch and drag the slider to manually adjust screen brightness.
Alternatively, you can go to the Home screen, select Settings-> Display & Brightness-> Turn off Auto-Brightness. And finally, set the brightness by dragging the slider under Brightness.
Step 3: Enable Reduce Transparency feature. For iPhone’s running iOS 9 this option can be accessed through Settings-> General-> Increase Contrast-> and then tap the switch next to Reduce Transparency to turn it on.
Note: Menu options may vary depending on the iOS version your device is running on and also by carriers.
Enabling this feature would make the text on your device a little more legible. It’s a temporary workaround utilized by some users who have problems on the unresponsive touchscreen and random flickering on their iPhone display.
Step 4: Check memory (RAM) status. Frozen and unresponsive displays are common indicators of a memory issue, particularly insufficient memory on your device. To make sure this is not causing the problem, check your iPhone and make sure its internal memory storage is good enough to carry out more processes.
Step 5: Factory reset your iPhone. This should be your last resort. Performing this method will not only require more time but also wipes your iPhone data while restoring it to factory default settings. Therefore, it eliminates the likelihood of the screen problem being caused by corrupted software.
If none of the aforesaid workarounds have done well, and the screen problem persists, then most likely the hardware is to blame. Considering this is your case and that your iPhone is not in warranty anymore, performing the following methods might be helpful.
If both the old and new screens are showing the exact same problem, it’s possible that some circuit board components, including the touch circuit, touch connector and the touch IC, are damaged. Oftentimes, these cases can be rectified by re-flowing or re-soldering both the touch connector on the board and the touch IC.
You can also try to test different screens (if available) to determine which screen is not working. But then again, all these would require specialized soldering tools and lots of skills to produce positive results. Otherwise, you can just take your iPhone to an authorized Apple technician for damage check and repair.
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