How To Repair iPhone X/8P/8 Ambient light Sensor Failure?

by Nancy N. DIY diagnostic and car repair tools Do you meet such problems? After replace the iPhone X/8P/8 display screen,the iPhone Auto-Brightness function not working anymore, which means it can't automatically adjust the brightness of the screen according to the environment, we called it ambient light sensor failure. Nandrepair bring the  is that we have a iPhone LCD Photosensitive programmer to fix this failure.

What’s iPhone ambient light sensor failure?

Before you start the repairs, you have to backup your iPhone X first, and this solution also can be used for iPhone 8 and iPhone 8 Plus.)

Go into IOS to check iPhone X 3D touch and touch function, they works good.
Go to Settings-> General-> Accessibility-> Display Accommodations-> Auto-Brightness, reboot Auto-Brightness button, and switch the button until you see it is in green status.
Now to to Settings-> General-> Display & Brightness, slide the brightness bar to the left to the lowest level, now the iPhone screen is dark.
Let the iPhone X get normal contact with the light, the displace screen brightness of the iPhone X will automatically adjust to a suitable level，the iPhone X ambient light sensor works normally.
Prepare a new iPhone X display screen, use phone open tools to remove the iPhone X display assembly, and then install the new one.
Test the new screen. The 3D touch and touch function is normal.
Go to Settings-> General-> Accessibility-> Display Accommodations-> Auto-Brightness, reboot Auto-Brightness button, and switch the button until you see it is in green status.
Now to to Settings-> General-> Display & Brightness, slide the brightness bar to the left to the lowest level, now the iPhone screen is dark.
Let the iPhone X get normal contact with the light, the display screen brightness of the iPhone X keeps dark and it can’t adjust to a suitable level，the iPhone X ambient light sensor not working.

How to use iPhone LCD Photosensitive programmer to fix it? 

Remove the new iPhone X display assembly.
Connect the original iPhone X display assembly to the left side of the iPhone photosensitive data programmer, and then connect new iPhone X display assemble to the right side of the iPhone photosensitive data programmer.
Click the “read” button on the programmer, after for a while, the data has been read successfully.
Click the “write” button on the programmer, after for a while, the data has been written successfully.
Disconnect the both iPhone display assembly screen from the iPhone photosensitive data programmer, and then install the new iPhone display assembly screen to the iPhone X.
Turn on the iPhone X, and test it, the 3D touch and touch function works normally, and the iPhone X ambient light sensor works perfectly.

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Created on Sep 13th 2018 01:40. Viewed 240 times.

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