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Home > Tips > 5 Ways to Fix iPhone X Face ID not Working on iOS 12

5 Ways to Fix iPhone X Face ID not Working on iOS 12

What should you do if iPhone X Face ID won't work on iOS 12? Check the article now. It shows the top 7 solutions to fix iPhone X Face ID not working on iOS 12.

Updated Dec 21,2018 | by Joy

The iPhone X Face ID is a very special and new feature allowing users to unlock the device by just looking at it, which brings convenience and efficiency to Apple users. However, many users complained that a message always pops up asking them to set up it later and the Face ID is not available whenever they try to set up Face ID on iPhone X/XS/XS Max/XR. Are you also in the same situation? Read on. The article lists the main reasons for iPhone X Face ID not working and quick possible solutions to fix it.

The Main Reasons for iPhone X Face ID not Working

From the feedback information from users, we know that this issue seems to occur more frequently after updating to iOS 12. Although iOS system is continually being updated, there are numerous bugs and missed corner cases in each update, like App Store Not Working on iOS 12, Instagram Notifications Not Working on iOS 12, etc.


There are so many iOS 12 issues that I can’t list all here. Before upgrading to iOS 12, you can check this guide: Top 10 iOS 12 Potential Problems Found So Far and Quick Fixes.

In addition to this reason, in fact, there are many other causes of iPhone X Face ID not working

  • Your iPhone X battery is less than 10% 

  • You received a remote command on your iPhone X

  • After five unsuccessful attempts to match your face

  • The TrueDepth camera is covered with a case, a screen protector or dirt

  • Your eyes, nose and mouth are not fully visible to the TrueDepth camera

  • You are wearing the sunglass that blocks some light

5 Ways to Fix iPhone X Face ID not Working on iOS 12

After knowing the main reasons, let’s see the following 5 possible solutions to fix iPhone X Face ID not working on iOS 12.

Method 1. Turn Off and Then Turn on Your Face ID Settings

Try to turn off your Face ID settings on iPhone X/XS/XS Max/XR and turn on again in a few minutes. Simply open Settings app on your iOS device, and go to “Face ID & Passcode” > “Enter your iPhone Passcode” > turn off the each option under “Use Face ID FOR” section > wait for a few minutes > turn them again.


Method 2. Reset Your Face ID

If the first method can’t work on your device, try to reset Face ID. Note that this method will wipe out all the existing mathematical representations of your face and then you need to reset all of them. Just go to Settings app on your device > “Face ID & Passcode” > “Reset Face ID” and see if it works.

Method 3. Reset All Settings

Resetting All Settings on iPhone X/XS/XS Max/XR can be an effective way to fix iPhone X Face ID not working on iOS 12. Just go to “Settings” > “General” > “Reset” > “Reset All Settings”.



This method can work on various iOS 12 problems, like iPhone Screen Recording No Sound on iOS 12, iPhone Personal Hotspot Not Working on iOS 12, etc.

Method 4. Simply Restart Your iPhone X/XS/XS Max/XR

Press and hold the power button until a message pops asking you to slide to power off. Just drag the slider from left to right to turn off your iPhone and then press and hold the power button to restart it.

Method 5. Check “Date & Time” in Settings App

In general, the date and time on your device may be set in a wrong way after iOS 12 update, which might be the main cuase for Face ID not working properly. Just go to “Settings” > “General” > “Date and Time” > turn on the “Set Automatically” option to fix it.


Method 6. Make Sure That You Are Fully Visible to the TrueDepth Camera

As I said before, if the TrueDepth camera is covered with any case, screen protector or you are not fully visible to the TrueDepth camera, your Face ID may not work on iPhone X. Therefore, try to check them carefully.

Method 7. Update to iOS 12 If Face ID Can’t Work on iOS 11 or the Older Version

Some apps may not work well on the older version of iOS system for the reasons of compatibility. Now, update to iOS 12 by simply going to “Settings” > “General” > “Software Update” > “Download and Install”.



Before updating, remember to back up all iPhone files to avoid any data loss caused by bugs. To easily and safely complete the backup, you can try IOTransfer, which is a reliable tool enabling users to transfer videos, photos, contacts, music, apps, etc. from iPhone or iPad to PC with ease. Free download IOTransfer now to back up your important files on iOS device.

Bottom Line

The article lists the top 7 methods to fix iPhone X Face ID not working. Hope they can help you successfully solve the issue.  If you have any further solution, do not hesitate to leave us a comment below.

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