IPhone XR front camera not working

IPhone XR front camera not working
Device	IPhone XR
Affects part(s)	Front facing camera, motherboard
Needs equipment
Difficulty	◉◉◌◌ Medium
Type	Soldering, Part replacement

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Symptoms

• Rear cameras work, but when you switch to front cam, it doesn't work
• Front camera shows black screen

Solution

• Try a new front camera. Since the front camera assembly is 3 pieces, you'll lose Face ID if you replace all 3
  • Make sure to UPDATE after replacing the front camera. It won't work just by replacing it.
  • If that solves your issue, then the front camera is bad.
  • If you don't want to lose Face ID, you can attempt to get the front camera only out of the metal housing with grinder or snips to replace it & keep the IR cam & Dot Projector original.
• Diode mode the front camera connector & check for any issues
  • If a pin is shorted when it's not supposed to be, look for shorted components on the line and remove short
  • If a pin is OL when it should have a reading check for any filters on that line and make sure they have continuity across both sides
    • If no continuity when measuring both sides of the filter, you will need to replace the filter
      • If you cannot find the filter on a donor board or new from distributors you can usually get away with using a backlight filter of the same size as the filter you removed. DO NOT use a jumper wire as this sets you up for more issues of easily shorted parts downstream from the filter if the line ever gets shorted again

Migrated from old wiki