iPhone Face ID Not Working? (9 Quick Fixes)

You're looking at your iPhone, trying to unlock it, but nothing happens. You raise the phone, adjust your angle, and try again. Face ID still refuses to recognize you. Instead, you're entering your passcode for what feels like the hundredth time.

It's even more frustrating when Face ID stops working all of a sudden, especially when it was working perfectly yesterday. Perhaps the problem started after an update, after a screen replacement, or when you began wearing new glasses. Either way, something that should take a second has suddenly become a daily annoyance.

But before you assume the TrueDepth camera is broken, there's something worth checking. Not every Face ID failure points to a hardware problem. Some are normal iPhone security behaviors, while others come down to settings, positioning, or a small software issue.

Here's how to identify what's happening, understand the error messages, and fix Face ID on your iPhone without unnecessarily erasing your data or paying for a repair.

Why Is Face ID Not Working on My iPhone?

Face ID uses Apple's TrueDepth camera system to recognize your facial features. It does more than take a regular selfie. The system uses infrared technology to map your face and compare it with the facial data stored securely on your iPhone.

When one part of that process is interrupted, your iPhone may fail to unlock, authenticate an app, or approve an Apple Pay purchase.

Here are the most common reasons Face ID stops working:

• Blocked TrueDepth camera: Dust, fingerprints, screen protectors, or a bulky case may interfere with the sensors.
• Normal security lockout: Your iPhone may require the passcode after a restart, several unsuccessful Face ID attempts, or an extended period without unlocking.
• Incorrect positioning: Holding your iPhone too far away, covering the camera, or using an unsupported orientation can prevent facial recognition.
• Glasses or appearance changes: Certain sunglasses, face coverings, or significant facial appearance changes can affect recognition.
• Incorrect settings: Face ID may be disabled for iPhone Unlock, Wallet & Apple Pay, or individual authentication features.
• iOS software problems: A temporary system issue or an incomplete software update can interfere with Face ID.
• Hardware damage: A drop, water exposure, or damage to the TrueDepth camera assembly can prevent Face ID from functioning properly.
• Repair or calibration problems: A damaged, incompatible, or improperly configured front camera component may cause Face ID problems after a repair.

Whether you're using an iPhone 13, 14, 15, 16, 17, or a newer Face ID-compatible model, the basic troubleshooting process is similar. However, some camera placements and available features differ between generations.

What Do Common Face ID Error Messages Mean?

Before changing your settings, look at the exact message displayed on your iPhone. It can help you distinguish a normal security requirement from a possible sensor problem.

Error Message or Symptom	What It Usually Means	What to Do
Your Passcode Is Required to Enable Face ID	A normal iPhone security requirement.	Enter your device passcode to reactivate Face ID.
Move iPhone Lower or Higher	Your face is outside the camera's ideal viewing area.	Adjust the phone's height and distance from your face.
Face ID Is Not Available. Try Again Later.	A temporary software interruption or possible camera system issue.	Restart your iPhone and install available iOS updates.
A Problem Was Detected with the TrueDepth Camera. Face ID Has Been Disabled.	The iPhone has detected a problem affecting the TrueDepth camera system.	Arrange a professional hardware inspection.
Face ID Setup Is Not Available	Your iPhone cannot complete the Face ID enrollment process.	Check restrictions and camera functionality. Seek service if the problem continues.

Important: These messages don't all indicate the same problem. For example, a passcode requirement is usually normal, while an explicit TrueDepth camera warning deserves more attention.

How to Fix Face ID Not Working on an iPhone

Try these nine troubleshooting steps in order. Start with the simple checks before resetting Face ID or investigating more complicated security restrictions.

1. Enter Your Passcode to Unlock Face ID Again

Sometimes, Face ID isn't broken at all. Your iPhone has simply disabled biometric authentication temporarily and requires your passcode for security reasons.

Apple requires a passcode under several circumstances, including:

• Immediately after restarting or turning on your iPhone.
• When the device hasn't been unlocked for more than 48 hours.
• When the passcode hasn't been used to unlock the device for 156 hours (six and a half days) and Face ID hasn't unlocked it during the last four hours.
• After five unsuccessful biometric authentication attempts.
• After receiving a remote lock command.
• After certain Emergency SOS or power-off security actions.

These requirements help protect your personal information, even when someone knows your device passcode.

What to do:

1. Unlock your iPhone using your regular device passcode.
2. Wait until the Home Screen appears.
3. Lock your iPhone again.
4. Look at the screen to test Face ID.

If Face ID works again, there probably wasn't a hardware problem. Your iPhone was simply enforcing its security rules.

2. Clean the TrueDepth Camera Area

A dirty camera area is one of the easiest problems to overlook. A small fingerprint, dust particle, or screen protector covering part of the sensor can interfere with Face ID.

Unlike the regular selfie camera, Face ID relies on several components working together. The TrueDepth system includes an infrared camera, a dot projector, and an infrared flood illuminator.

Even when the visible front camera looks perfectly clean, something covering the other sensors can still affect facial recognition.

Try these steps:

1. Remove your iPhone case temporarily.
2. Inspect the notch, Dynamic Island, or front camera area, depending on your model.
3. Gently wipe the top portion of the display with a clean, dry microfiber cloth.
4. Check whether your screen protector covers or overlaps the TrueDepth camera area.
5. Remove a damaged, poorly aligned, or tinted screen protector and test Face ID again.

On iPhone 18 Pro models, the TrueDepth camera is positioned toward the upper-left portion of the device rather than where you might expect it on older designs. Make sure you're checking the correct camera area for your model.

Don't press hard against the sensors or attempt to clean inside the camera assembly.

For additional troubleshooting advice, see Apple's official Face ID troubleshooting guide, which covers camera obstructions, positioning, settings, software updates, and repair options.

3. Check Your Distance, Position, and iPhone Orientation

Face ID needs a clear view of your face. Holding your iPhone at an unusual angle or too far away can prevent it from recognizing you properly.

Apple recommends keeping the device approximately 10 to 20 inches from your face.

Try the following:

• Hold your iPhone at a comfortable viewing distance.
• Look directly toward the TrueDepth camera.
• Make sure your eyes, nose, and mouth are visible.
• Avoid covering the camera with your fingers or hand.
• Move away from extreme direct sunlight or strong backlighting.

Also, check your phone's orientation:

• iPhone 13 and later: Face ID supports portrait and landscape orientation when running iOS 16 or later.
• Older Face ID-compatible iPhones: Face ID works in portrait orientation.
• Face ID with a Mask: This feature works only in portrait orientation, even on newer iPhones.

If you use Face ID with a mask, make sure your eyes remain visible. Moving your phone slightly higher may also help.

4. Check Face ID and Screen Time Settings

Sometimes, Face ID works properly for unlocking your iPhone but won't authenticate purchases, fill passwords, or sign in to certain apps.

This can happen when the relevant Face ID permissions are turned off.

Check your Face ID settings:

1. Open Settings.
2. Tap Face ID & Passcode.
3. Enter your iPhone passcode.
4. Check whether Face ID is already configured.
5. Make sure the relevant options are enabled.

Depending on your needs, check these settings:

• iPhone Unlock
• Wallet & Apple Pay
• iTunes & App Store, if available
• Password AutoFill
• Other supported apps and authentication features

If Face ID works to unlock your phone but not when paying, specifically check the Wallet & Apple Pay option.

What if Face ID & Passcode is restricted?

If the settings are greyed out or you cannot change them, check whether Screen Time or a family-managed device restriction is preventing changes to your security settings.

On supported versions, the restriction is generally found under:

Settings > Screen Time > Content & Privacy Restrictions > Allow Changes To > Passcode & Face ID

Choose Allow if you have permission to change this setting. On family-managed devices, a parent or guardian may need to make the change. A work- or school-managed iPhone may also have restrictions controlled by its administrator.

5. Check Face ID with New Glasses, Masks, or an Alternate Appearance

Did Face ID stop recognizing you after you started wearing new glasses or changed your appearance?

Apple's facial recognition technology can adapt to many everyday appearance changes. However, certain accessories and significant changes can still affect recognition.

If you recently changed your glasses:

• Test Face ID without your glasses temporarily.
• Check whether your new sunglasses block infrared light.
• If you wear prescription or clear glasses and recognition remains inconsistent, consider setting up an alternate appearance.

Most ordinary prescription glasses work with Face ID. However, some sunglasses can block the infrared light used by the TrueDepth camera. This is especially important when using Face ID with a mask.

Set up an alternate appearance:

1. Open Settings > Face ID & Passcode.
2. Enter your passcode.
3. Tap Set Up an Alternate Appearance, if available.
4. Follow the instructions to complete the facial scan.

This option can help when your appearance differs significantly because of facial hair, makeup, or other changes. It may also help with supported glasses configurations.

What about Face ID with a Mask?

If you use an iPhone 12 or later running iOS 15.4 or later, you can enable Face ID with a Mask.

1. Open Settings > Face ID & Passcode.
2. Enter your passcode.
3. Find Face ID with a Mask.
4. Turn it on and follow the setup instructions.

This feature recognizes the distinctive area around your eyes. Your eyes must remain visible, and Face ID with a Mask does not work in landscape orientation.

One more setting to understand: Under Settings > Accessibility > Face ID & Attention, you'll find the Require Attention for Face ID option. Turning it off can reduce security because your iPhone no longer requires you to look directly at the screen with your eyes open. It is primarily an accessibility option, not a reliable fix for sunglasses that block infrared light.

6. Force Restart Your iPhone

If Face ID stopped working after an update or began malfunctioning without an obvious reason, a restart may clear a temporary system problem.

A force restart can help when iOS becomes unresponsive or a background process interferes with normal functions. It won't erase your photos, messages, apps, or other personal data.

For Face ID-compatible iPhones using the current volume-button design, follow these steps:

1. Press and quickly release the Volume Up button.
2. Press and quickly release the Volume Down button.
3. Press and hold the Side button.
4. Keep holding it until the Apple logo appears, then release it.
5. Enter your passcode after the iPhone restarts.

Once the Home Screen appears, lock your device and test Face ID again.

7. Install the Latest Compatible iOS Update

Did Face ID stop working after an update?

A software update can sometimes introduce temporary compatibility problems or expose an existing system issue. Apple may also release follow-up updates containing bug fixes and security improvements.

Check whether another update is available:

1. Connect your iPhone to Wi-Fi.
2. Open Settings.
3. Tap General > Software Update.
4. Check for an available update compatible with your device.
5. Install it if one is available, following the on-screen instructions.

After updating, restart your iPhone, enter your passcode, and test Face ID again.

Don't assume every Face ID failure after an update is caused by iOS. If your phone displays a TrueDepth camera warning or cannot complete facial enrollment, a hardware problem may be more likely.

8. Reset Face ID and Set It Up Again

If the previous steps haven't worked, resetting Face ID may help resolve an enrollment or configuration problem.

This removes the existing facial recognition setup, allowing you to register your face again. It does not erase your photos, apps, messages, or other iPhone data.

How to reset Face ID:

1. Open Settings > Face ID & Passcode.
2. Enter your device passcode.
3. Tap Reset Face ID.
4. Once the existing setup is removed, tap Set Up Face ID.
5. Position your face inside the on-screen frame.
6. Slowly move your head to complete the facial scans.
7. Tap Done when setup finishes.

Lock your iPhone and test whether it recognizes your face.

What if your iPhone cannot complete the scan?

If the camera repeatedly asks you to position your face inside the frame without progressing, or an error appears during enrollment, the TrueDepth camera may need professional inspection.

9. Check Stolen Device Protection and Other Restrictions

One particularly confusing situation occurs when your iPhone won't let you reset Face ID, even though you know your device passcode.

In some cases, the reason is Stolen Device Protection.

This Apple security feature adds additional protection when someone steals an iPhone, including situations where the person also knows its passcode. It can prevent unauthorized changes to important security settings.

What happens when Stolen Device Protection is on?

By default, certain security requirements apply when your iPhone is away from familiar locations, such as your home or workplace.

Adding or removing Face ID is one of the actions that can trigger a Security Delay.

When the additional protection applies, the process generally requires:

1. Authenticating with Face ID or Touch ID.
2. Waiting for the one-hour security delay to finish.
3. Authenticating with Face ID or Touch ID again before completing the change.

If you've selected Always under Require Security Delay, these additional requirements also apply when you're at a familiar location.

How to handle this situation:

• If your iPhone is away from familiar locations, try again when you're at home or work. The additional requirements may not apply there under the default setting.
• If you've selected Always, follow the security delay and authentication process shown on your iPhone.
• If Face ID itself is completely broken and your iPhone requires biometric authentication to authorize the change, contact Apple Support rather than repeatedly attempting to reset it.
• Don't erase your iPhone or disable security features just to bypass a biometric restriction.

You can review the official Apple Stolen Device Protection guide for the current security requirements.

Also check Screen Time restrictions: If the Reset Face ID option is unavailable or your settings are restricted, review the Passcode & Face ID restrictions discussed in Step 4. On a managed device, contact the administrator when necessary.

When Face ID Needs Professional Repair

Not every Face ID problem can be fixed through Settings. Sometimes, the issue involves the TrueDepth camera or another internal component.

Here are some warning signs that suggest a hardware-related problem.

1. Your iPhone Displays a TrueDepth Camera Warning

If your iPhone displays a message stating that Face ID has been disabled because of a TrueDepth camera problem, don't keep repeating the setup process.

The warning indicates that iOS has detected a problem affecting the camera system. A technician needs to inspect the device and determine whether the issue involves the camera assembly or another component.

2. Face ID Stopped Working After Screen Replacement

This is a common concern after an iPhone repair.

A screen replacement doesn't automatically mean Face ID is permanently broken. However, the repair process can damage delicate components, connectors, or cables associated with the front camera system.

Problems can also occur when a replacement camera component is incompatible, faulty, or hasn't completed the required calibration.

Here's what you should check:

• Ask the repair provider whether the original TrueDepth camera assembly was damaged.
• Ask whether genuine, compatible Apple parts and the appropriate repair procedures were used.
• Open Settings > General > About and look for the Parts & Service History section, if available on your model.
• Check whether the TrueDepth camera displays a repair status such as Finish Repair.
• Ask the technician to complete any required calibration using Apple's supported repair process.

Apple supports genuine parts and repair services through Apple, Apple Authorized Service Providers, and eligible Independent Repair Providers.

Not every independent repair shop is the same, so check the provider's experience with TrueDepth camera repairs before proceeding.

3. Your iPhone Has Suffered a Drop or Water Exposure

Physical damage can affect Face ID even when the rest of your iPhone appears to work normally.

For example, a drop may damage the front camera assembly or its connections. Liquid exposure can also affect internal components.

Modern iPhones have varying levels of water resistance, but they aren't completely waterproof. Their resistance can decrease with normal wear, and liquid damage can still occur.

If Face ID stopped working after your phone was exposed to water, dropped, or physically damaged, avoid opening the device yourself.

4. Your Selfie Camera Works, but Face ID Doesn't

This situation doesn't necessarily mean your iPhone is fine.

The regular front-facing camera and the TrueDepth system perform different functions. The selfie camera captures visible-light images, while Face ID also depends on infrared components that map and recognize your face.

As a result, you may still be able to take selfies, record videos, or make FaceTime calls even when one of the components responsible for Face ID isn't working.

If the basic troubleshooting steps don't help, arrange a professional inspection.

How Much Does It Cost to Repair Face ID?

There isn't one reliable repair price for every iPhone. The cost depends on the model, the damaged component, your warranty or AppleCare coverage, the type of repair required, and your service location.

Before paying for a repair, consider these possibilities:

• Apple Limited Warranty: Eligible manufacturing defects may be covered, but accidental damage and liquid damage aren't generally covered by the standard limited warranty.
• AppleCare+: Your plan may cover eligible accidental damage subject to the applicable service fee and coverage terms.
• Out-of-warranty repair: You may need to pay for the required service or replacement.
• Independent Repair Provider: An eligible provider using genuine Apple parts may offer another repair option, with its own pricing and service terms.

For a US customer, the safest approach is to request a device-specific estimate before approving the repair. Avoid relying on a generic $150, $200, or $300 estimate without confirming what your particular iPhone actually needs.

For additional assistance with a persistent Face ID problem, you can also consult Apple's official Face ID support and repair guidance.

Frequently Asked Questions

Why Does Face ID Stop Working All of a Sudden?

Face ID can stop recognizing you suddenly because of a covered TrueDepth camera, a security-related passcode requirement, a temporary iOS issue, or hardware damage.

A new screen protector, changed appearance, or certain sunglasses can also interfere with recognition. Check the error message before assuming the camera is broken.

Does Face ID Work in Complete Darkness?

Yes. Face ID generally works in complete darkness because the TrueDepth camera system uses infrared technology rather than relying only on visible light.

However, extreme sunlight or sunglasses that block infrared light can affect recognition.

Why Does Face ID Still Not Work After an iOS Update?

An update doesn't guarantee that every software issue will disappear. Restart your iPhone, install any available follow-up update, and check your Face ID settings.

If the problem persists or you see a TrueDepth camera warning, consider a hardware inspection.

Will a Factory Reset Fix Face ID?

A factory reset may resolve a deeply rooted software problem, but it cannot repair damaged TrueDepth camera components, liquid damage, or an incomplete hardware calibration.

It also erases your personal data, so back up your iPhone first. A factory reset should be a last resort after less destructive troubleshooting and professional diagnosis.

Stolen Device Protection may also impose additional biometric requirements before you can erase your device.

How Much Does Apple Charge to Fix Face ID?

Apple doesn't provide one universal Face ID repair price for every iPhone. The final cost depends on the device model, diagnosis, warranty status, and applicable AppleCare coverage.

Apple or an authorized repair provider will need to inspect your device and provide an appropriate estimate.

Better iPhone Security Starts with Knowing When to Trust Face ID

Face ID makes everyday iPhone use easier, but it's still a security system with several components working together. When it stops recognizing you, the problem might be as simple as a dirty camera area or an ordinary passcode requirement.

The important thing is knowing when to troubleshoot and when to stop experimenting. A restart, software update, or fresh facial scan can resolve many ordinary problems.

But repeated TrueDepth camera errors, liquid exposure, and problems following an unsuccessful repair deserve professional attention.

As Apple continues improving facial recognition and device security, understanding how Face ID, passcodes, and features such as Stolen Device Protection work together will help you avoid unnecessary resets and protect your personal information.

After all, the best security feature isn't just the one that unlocks your iPhone quickly. It's the one that protects your information while still working reliably when you need it.