What should I do if Apple’s face recognition suddenly doesn’t work? Detailed explanation: How to fix iPhone Face ID failure

php editor Strawberry will explain in detail how to fix the Face ID failure problem on Apple mobile phones. As one of the important functions of Apple mobile phones, face ID can quickly and easily unlock the phone and perform operations such as payment. However, sometimes we may encounter a situation where Face ID fails, making it difficult for people to understand. So, let’s discuss how to fix Face ID failure on iPhone.

2022-07-04 18:38·Gongqu.com

What should I do if Face ID cannot be used? In the case of non-hardware damage, you can try these quick repair methods first .

Face ID Failure Cause Analysis

Usually the iPhone cannot use Face ID or appears that Face has been disabled ID error messages are mainly caused by the following reasons:

Face ID unlock failure

If the Face ID unlock failure message appears, the most important reason is that the iPhone has multiple security considerations for Face ID. For example, if you may wear sunglasses, color-changing contact lenses, or thick-rimmed glasses, you can try resetting Face ID.

Face ID cannot be set

If when setting up Face ID, the iPhone appears that Face ID has been disabled and cannot be set up, it may be due to the following reasons:

There is something covering the front camera

There is something covering the face

Too close, holding it too high or too close to the eyes

System error

Face ID failure

If "Face ID is disabled" pops up immediately after setting iPhone Face ID, first recall whether you have dropped your phone or soaked it in water recently. If so, it may be caused by a Face ID hardware failure.

iPhone Face ID failure troubleshooting solution

Method 1. Basic troubleshooting

If you are setting up iPhone Face ID, Face ID is disabled and cannot be set up. Depending on the situation, you can try the following methods to troubleshoot:

Make sure there is nothing covering the iPhone front lens, such as dust, protective case or protective sticker. If there is a protective sticker recently, remove it and take a look.

Make sure your face is not blocked, and make sure your eyes, nose, and mouth are not blocked.

Don’t hold your iPhone too close, hold it too high, or too close to your eyes. Keep it within about an arm’s length (25 to 50 centimeters).

Do not use Face ID in bright sunlight, strong reflections, or other strong light sources.

Method 2. Restart iPhone

If you encounter the error message "Face ID has been disabled" on your iPhone, it is most likely caused by an iOS system error. You can try shutting down your iPhone and restarting it. , which can generally rule out the problem of disabled Face ID.

How to restart iPhone

[iPhone shutdown shortcut key tips] Press the "side power button" + "volume down button (-)" or "side power button" + "volume button" Raise ( )" for about three seconds to activate the shutdown function.

How to force restart iPhone

Press the "Volume ( )" key. (No need to keep pressing)

Press the "Volume (-)" button. (No need to keep pressing it)

Finally, press and hold the "side power button" on the right side of the fuselage for about 10 seconds until the screen dims and the Apple logo appears on the screen, then release it.

If the iPhone crashes, causing the screen to become untouchable and the screen to appear black, you can still force a reboot through the above steps. All three steps must be completed before the volume icon disappears. You can restart your iPhone (forced restart).

Method 3. Tear off the screen protector

Face ID cannot be used, it may also be because of the screen protector There is no hole for the True Depth camera, which results in insufficient light transmittance and infrared rays cannot penetrate the protective film, which also makes it impossible to use Face ID. You can try to remove the iPhone screen protective film and set it up again.

Method 4. Reset Face ID settings

If iPhone Face ID fails and cannot operate normally, unlocking will always fail. You can delete the original Face ID record and try to reset Face ID facial recognition.

Reset Face ID method: iOS "Settings" > "Face ID & Password" > "Reset Face ID"

Method 5. Reset all iPhone settings

Even after resetting Face ID settings, you find that your iPhone still cannot scan and recognize faces normally. You can try to reset all iPhone settings, reset iOS settings back to the original factory settings, and keep the original iPhone. material.

Method 6. Update the iOS version

If you have never upgraded the iOS version after buying your iPhone, It is possible that Face ID is prone to problems in older versions. It is recommended to keep the iOS system at the latest version. Most of them can fix some bugs. It is recommended to back up iPhone data before upgrading.

Method 7. Preparing for repair of hardware failure

If you have tried the above six methods and still cannot solve the Face ID disabled error problem, it means that the TrueDepth camera hardware is faulty and needs repair. People shared that the front lens is usually unusable due to damage, water or moisture, or accidental contact with the dot matrix during disassembly. Face ID deactivation is mostly caused by hardware failures, but software problems are relatively minor.

You can only take it back to Apple's original repair center for repair. Don't be smart and buy parts online and disassemble and repair it yourself. The front lens module of the iPhone will be bound with a serial number. Even if the parts are replaced, it will cause It cannot be enabled, and some even caused damage by accidentally touching the dot matrix after disassembling the machine or by maintenance personnel. It is not ruled out that it is due to water intrusion.

It is recommended to take it to an Apple authorized repair center for testing within the one-year warranty period. If the damage is not caused by human factors, it can be repaired or replaced with a new one for free. If it is caused by human factors, you will have to pay for the Face ID fault repair fee. .

Okay, that’s it for this article. I’ll be very happy if it can help you. Read carefully and carefully what to do if Apple’s face recognition suddenly doesn’t work. "Detailed explanation: Repair iPhone "How to Fix Face ID Failure", I feel that I have learned a lot, please remember to give me a thumbs up!

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