There are some iPhone 6s users have reported that their backlights are not working due to hardware or system issues. Hardware issues on iPhone backlights often caused by man-made breakage such as drops or repairs. For the system issues, it’s very rare cases but it could happen on a perfectly good iPhone.
How to diagnose the backlights for damage?
- The most notable indicator is that your iPhone backlight not working at all.
- Your backlight could be so low sometimes that you can only see the screen under the direct light.
- You were in a very low brightness. You tried to resetting the brightness but the backlight still isn’t bright enough.
If you are in any of those occasions, then you might need to watch out for the backlight problems on your iPhone. Here is a solution for you.
Solution for hardware issue: Replace the broken backlights
- Remove the display assembly from your iPhone 6s. Here is a tutorial below:
- Remove the backlight from the display assembly. Now you should be able to see the extent of the damage on the plastic part which is causing your backlight troubles.
- You can now simply replace it with a new backlight/LCD screen assembly and re-assemble your phone.
If the above solution doesn’t work for you, the backlight issue might be system or software related. That means you need an expert technician to help you out of this situation. It can help you fix various software and system issues without data loss.