If your iPhone 16 is no longer recognizing your face, keeps asking for your passcode, or you just want to set up Face ID again after a major change in appearance, a reset is usually the fastest fix. The good news is that Apple makes the process simple, and you can do it right from the Settings app in just a few taps.
This guide shows you exactly how to reset Face ID on iPhone 16, then set it up again correctly so it works as expected. You will also learn what to do if Face ID is grayed out, unavailable, or still not working after a reset. Whether you are troubleshooting a problem or starting fresh, the steps below are quick, safe, and easy to follow.
Quick Summary
- Open Settings on your iPhone 16.
- Go to Face ID & Passcode and enter your passcode.
- Tap Reset Face ID to clear the current face data.
- Tap Set Up Face ID to scan your face again.
Tutorial – How to Reset Face ID on iPhone 16
The steps below will remove your current Face ID scan and let you create a new one. This is the best option if Face ID is misreading your face, you changed your appearance, or you want to start over from scratch.
Step 1: Open Settings on your iPhone 16.
Launch the Settings app from your Home Screen or App Library.
Once the app opens, you should see the main settings list with options like General, Display & Brightness, and Face ID & Passcode. If you cannot find it quickly, use the Search field at the top of Settings.
Step 2: Tap Face ID & Passcode.
Scroll down and select Face ID & Passcode to access your Face ID controls.
You will be asked to enter your device passcode for security. This is normal, since Apple protects biometric settings with your passcode before allowing changes.
Step 3: Enter your iPhone passcode.
Type in the same passcode you use to unlock the iPhone 16.
After you enter it, you should see the Face ID settings screen with options for unlocking the phone, Apple Pay, password autofill, and app access. If Face ID is currently configured, those options will already be listed.
Step 4: Tap Reset Face ID.
Select Reset Face ID to erase the saved facial scan from your iPhone.
After you tap it, Face ID data is cleared immediately. Your iPhone will no longer use the old face profile until you set it up again.
Step 5: Tap Set Up Face ID.
Choose Set Up Face ID to begin scanning your face again.
You will now see the Face ID setup screen with on-screen instructions. Position your iPhone at eye level and follow the prompts as the circular frame appears.
Step 6: Complete the face scan.
Slowly move your head in a circle so the iPhone can capture your face from multiple angles.
When the first scan finishes, your iPhone may ask you to do a second scan. This helps improve accuracy, especially if you wear glasses, have facial hair, or recently changed your look.
Step 7: Tap Done to finish.
Once the scan is complete, tap Done to save the new Face ID profile.
Your iPhone 16 is now reset and ready to use with the updated facial data. Try locking the phone and unlocking it with Face ID to confirm everything works properly.
Alternative Methods and Edge Cases
- If Face ID is not working but you do not want to reset it yet: Go to Settings > Face ID & Passcode and make sure the features you want are turned on, such as iPhone Unlock or App Store.
- If the option is grayed out or missing: Restart your iPhone 16 first. Then check for iOS updates in Settings > General > Software Update.
- If you want to remove Face ID entirely before selling the phone: Use Reset Face ID, then also choose Erase All Content and Settings if you are preparing the device for a new owner.
- If Face ID keeps failing after a reset: Clean the TrueDepth camera area at the top of the display and try setting it up again in good lighting.
- If your iPhone asks for a passcode more often than usual: That can happen after a restart, a failed Face ID attempt, or if the phone has not seen your face for a while. This does not always mean Face ID is broken.
Frequently Asked Questions
Will resetting Face ID delete my photos or apps?
No. Resetting Face ID only removes the saved facial recognition data. It does not erase your photos, apps, messages, or other personal content.
Do I need my passcode to reset Face ID?
Yes. You must enter the iPhone passcode before you can change Face ID settings.
Can I set up Face ID again right after resetting it?
Yes. In fact, that is the normal next step. Tap Set Up Face ID right after the reset and scan your face again.
What if Face ID still does not work after I reset it?
Try restarting the iPhone, updating iOS, and cleaning the front camera area. If it still fails, the issue may be hardware-related, and Apple Support may need to check it.
Can I use Face ID with glasses or a mask?
Yes, in many cases. iPhone 16 supports Face ID features that can work with glasses, and some Face ID settings may support masks depending on your iOS version and setup.
Is resetting Face ID the same as turning it off?
No. Resetting deletes the saved face profile. Turning Face ID off only disables its use for selected features.
Tips
- Keep your iPhone about arm’s length away during setup for the best scan.
- Make sure your face is centered in the frame, and the camera area is clean.
- Use Face ID in normal indoor lighting if possible, since very dark or very bright light can make scanning harder.
- If you wear glasses often, set up Face ID while wearing them for a better match.
- After a reset, test Face ID with both the lock screen and an app that uses Face ID, such as a banking app.
- If you use a case or screen protector, make sure it does not block the TrueDepth camera area.
Troubleshooting
- If Reset Face ID is missing, check that you are in Settings > Face ID & Passcode and that you entered the correct passcode.
- If Face ID setup gets stuck, restart your iPhone 16 and try again from the beginning.
- If the front camera area looks dirty, gently wipe the top of the screen with a soft, lint-free cloth.
- If Face ID says it is unavailable, install the latest iOS update and check again.
- If your iPhone was recently dropped or repaired, the Face ID hardware may need service.
- If the phone still will not scan your face, remove any accessory that might block the camera area and retry setup.
Conclusion
Resetting Face ID on iPhone 16 is quick, safe, and usually solves the most common recognition problems. In most cases, all it takes is clearing the old face scan and enrolling your face again with a fresh setup.
If Face ID still gives you trouble after a reset, the issue is often easy to narrow down with a restart, software update, or a quick check of the camera area. And if none of that works, Apple Support can help determine whether the problem is software or hardware.
Matthew Burleigh has been writing tech tutorials since 2008. His writing has appeared on dozens of different websites and been read over 50 million times.
After receiving his Bachelor’s and Master’s degrees in Computer Science he spent several years working in IT management for small businesses. However, he now works full time writing content online and creating websites.
His main writing topics include iPhones, Microsoft Office, Google Apps, Android, and Photoshop, but he has also written about many other tech topics as well.