How to Enable Face ID After iPhone Screen Replacement

 Replacing your iPhone screen can sometimes cause Face ID to stop working. This issue usually occurs because Face ID components, like the TrueDepth camera system, are closely integrated with your device’s original screen. Fortunately, there are proven steps to restore and re-enable Face ID after a screen replacement.

Why Face ID Stops Working After Screen Replacement

Face ID may be disabled after screen replacement for several reasons:

  • The new screen doesn’t come from an authorized source or isn’t properly paired with your iPhone’s logic board.

  • Face ID components (proximity sensor, flood illuminator, or infrared camera) were damaged or not reinstalled correctly.

  • iOS detects a hardware mismatch between the original and replaced parts.

If you see the message “Face ID is not available” or “Face ID has been disabled”, follow these steps to troubleshoot and fix it.

Step 1: Check Screen and Sensor Connection

If the repair was done by yourself or a third-party technician:

  • Power off your iPhone completely.

  • Open the device carefully using the right tools (e.g., suction cup and pentalobe screwdriver).

  • Inspect the TrueDepth camera flex cable connection to ensure it’s properly seated.

  • Check for dust or debris near the Face ID sensor area.

If you’re not experienced with iPhone repairs, it’s better to visit an Apple Authorized Service Provider to avoid further damage.

Step 2: Update iOS

Face ID relies heavily on firmware compatibility.

  • Go to Settings › General › Software Update.

  • If an update is available, tap Download and Install.

Apple occasionally includes Face ID calibration fixes in iOS updates, especially for newer models like iPhone 15 Pro and iPhone 14 Pro.

Step 3: Reset Face ID

If the hardware is fine, you may just need to reset Face ID:

  1. Open Settings › Face ID & Passcode.

  2. Tap Reset Face ID.

  3. Tap Set Up Face ID again and follow the on-screen prompts.

Try scanning your face in a well-lit area with the phone at eye level.

Step 4: Check for “Genuine Apple Display” Notification

After screen replacement, go to Settings › General › About.
If you see a message like “Unable to verify this iPhone has a genuine Apple display”, it means your screen wasn’t installed or paired properly.

You can still use the phone, but Face ID may remain disabled until a technician re-pairs the display module using Apple’s System Configuration tool (only available at authorized service centers).

Step 5: Visit Apple Support

If none of the above steps fix the problem, Face ID hardware calibration is required.
Book an appointment at the Apple Store or contact Apple Support (support.apple.com/iphone/repair).
They can reprogram your Face ID module to match the replaced screen.

OnePlus Tip

Avoid third-party screen replacements for Face ID-enabled models. Even small misalignments can permanently disable biometric authentication. Always choose Apple Genuine Parts or certified repair centers in the U.S. or Canada.

Final Thoughts

Face ID failure after a screen replacement is common but fixable. Updating iOS, ensuring proper sensor connection, and visiting an authorized repair center usually resolve the issue. Following OnePlus’ guide helps you safely restore Face ID functionality without compromising your iPhone’s security.

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