How to Fix iPhone X Face ID Not Working After Screen Replacement

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How to Fix iPhone X Face ID Not Working After Screen Replacement, Troubleshoot: crwdns2935265:00crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

Troubleshoot

Turn the flex cable upside-down and secure it again. Remove the Flood illuminator module.
Prepare a new flex cable. Apply some Paste Flux to the bonding pad and solder the detached Flood illuminator module.

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