1. Common problem of dot projector repair : A. After repairing, it prompts "Face ID cannot be activated on this iPhone". - Data writing is abnormal. If the data is written incorrectly or fails, please write it again. If the dot projector code can be read by the JC Repair Assistant App, it indicates that the data is written normally. Not an expert, but my phone had the same problem and I’m pretty sure since the LCD is still attached to the phone, all you need to do is apply some sort of adhesive or glue to reattach the digitizer and lcd. Just make sure the phone is off before hand. Pale_Cryptographer82 • 2 yr. ago. I was able to use superglue & it worked. If you don’t turn off the phone first, then this thing happens a lot. The fix solution is that you restart your iPhone again and the touch ID function can back to work. 2. Touch ID can’t be recognized and back function failed. Also some people would encounter this situation, after replacing the screen replacement, not only the touch ID 4. Follow the instructions to let Face ID learn your face and save it as a secondary appearance. Make sure your Face ID camera isn't blocked. Face ID makes use of a camera system Apple calls Navigate to Reset. Tap on Reset and then Reset All Settings. This should solve the Face ID not working issue. 7. Restore iPhone Via iTunes. The last option you can turn to is restoring your device using iTunes. This is a complete system restore, and will wipe your phone clean, reverting it to factory settings. MBL.REPAIR | Mobile Device Repair Whether you are a hobbyist or a tech sitting in the shop. This sub encompasses everything from basic computer, phone & tablet repair, to also those delving into the board level repair and data recovery aspects as well. Photo by Vjeran Pavic / The Verge. Soon after the iPhone 13 launched, repair experts found that swapping out iPhone 13 screens would break Face ID unless you also moved over a tiny control chip MartinDinh • 10 mo. ago. Three options: Prox sensor/Face ID broken during repair. Check flex cable. Prox sensor/face id misaligned with the face id window on the screen. If this is the case, you will see Face ID keep telling you to adjust your head or take very weird angle to add new face. Face ID failed, Apple fault. I too have an IPhone 11 with Face ID problem. The store rep said to hit the VOLUME UP button> VOLUME DOWN button > then the BUTTON on the right, to do a soft reset. Wait a moment and restart your phone. When back on go into SETTINGS >FACE ID & PASSCODE >RESET FACE ID. It didn’t work the first time I did it, but the second time it did work. Tnbp.

iphone 11 pro face id not working after screen replacement