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iPhone XS Max Face ID Not Working Fixed - Dot Projector Repair

iPhone X Stuck On Apple Logo iTunes Error 4013

Judging by what we have learned during the teardown of Face ID, main circuits of the Face ID are exposed. Once water damaged or exposed to a relatively humid environment, there might be electricity leakage or short-circuit problem that can result in Face ID failure. You need to be really careful with iPhone X and above!!! Why Face ID Not Working After Repair

There are so many causes for Face ID failure. You can check here: Why Face ID Not Working After Repair

Judging by what we have learned during the teardown of Face ID, main circuits of the Face ID are exposed. Once water damaged or exposed to a relatively humid environment, there might be electricity leakage or short-circuit problem that can result in Face ID failure. Why Face ID Not Working After Repair So my suggestion is that you take apart the phone and check Face ID parts and the motherboard carefully. Face ID problems are usually complicated and solutions flexible. Good luck! How To Fix iPhone 11 Pro Max Face ID Not Available - Motherboard Repair

Judging by what we have learned during the teardown of Face ID, main circuits of the Face ID are exposed. Once water damaged or exposed to a relatively humid environment, there might be electricity leakage or short-circuit problem that can result in Face ID failure. Why Face ID Not Working After Repair And for a detailed repair process, Face ID parts are complicated and difficult to repair.  A simple replacement can not fix the problem, not to mention that most Face ID parts are paired to the logic board. You need professional help.

To fix a damaged dot projector, you need to transfer the encryption chip as I learned from below. And to test Face ID parts, you can follow steps in the repair guide: How to Fix iPhone X Face ID Not Working 'Move iPhone a Little Lower/Higher'

Face ID parts are complicated and difficult to repair. To fully understand Face ID, you can check below. Why Face ID Not Working After Repair And for a detailed repair process, you need to pinpoint the faulty component first. Whether the flex cable has been ripped-off or relevant component has missing. Hope the following repair guide can help you somehow. (1) Face ID not working caused by a broken infrared camera module flex cable: How to Fix iPhone X Face ID Not Available (2) Face ID Not Available because of a missing component: How To Fix iPhone 11 Pro Max Face ID Not Available - Motherboard Repair (3) Face ID Not Working After Screen Replacement - also flex cable broken: How to Fix iPhone X Face ID Not Working After Screen Replacement

Face ID parts are complicated and difficult to repair. To fully understand Face ID, you can check below. Why Face ID Not Working After Repair And for a detailed repair process, you need to pinpoint the faulty component first. Whether the flex cable has been ripped-off or relevant component has missing. As for the move iPhone a little lower/higher problem, words are that there is actually a solution in China right now. Just stay tuned!

According to the teardown of Face ID, main circuits of the Face ID are exposed. Once water damaged or exposed to a relatively humid environment, there might be electricity leakage or short-circuit problem that can result in Face ID failure. Why Face ID Not Working After Repair

You need a welding machine as shown in the video to finish the job. And you will get the same battery health as before.

Brilliant! keep up with your good work.