How to Fix Face ID Not Working on iPhone After Updating to iOS 18.3 

If you have updated your iPhone 15 Pro or iPhone 16 series device to the latest version of iOS 18.3 and are experiencing issues with Face ID, you are not alone. Several users on the Apple forum have reported similar problems. This document will provide solutions to restore Face ID functionality on iPhone devices running iOS 18.3 or later.

Updating iPhones to the latest iOS version has become a common source of user issues. One of the most frequently reported problems is Face ID malfunction or it can due to iPhone true depth camera dust issue. This issue can be resolved easily, and the following details will provide further guidance.

Few users are also facing issues with battery drain issues, it’s consuming more battery and few users said their iphone is getting heat as well.

How to Resolve Face ID Now working on iPhone after updating to iOS18.3 

The following troubleshooting methods for iOS 18.3 will resolve issues with Face ID, including unresponsiveness and other malfunctions, on iPhones running iOS 18.3.

Force Restart

The first solution you should attempt if your iPhone is not functioning correctly after an update to the latest iOS 18 (or a later version) is to force restart your device.

To power off the device, press and hold the power button, then slide to power off. Wait 30 seconds, then turn on the device. Force restarting your device may resolve any transient software glitches or issues caused by software updates.

Check Face ID Settings

Step 1: Open Settings on iPhone -> Tap on Face ID and Passcode option

Step 2: Enter passcode and in Face ID Settings, Make sure all the options here, Use Face ID for “iPhone Unlock”, “iTunes and App”, “Contactless & Payments”, “Password Autofill”, options are Enabled.

Step 3: If any of the options above is disabled, then you need to enable it by toggling the button next to it, or else face id will not work properly.

Now, restart your iphone and check. Once you change these settings, thne you need to restart your iPhone and check with face id on iPhone iOS 18.3 and it will work properly.

Clean True Depth Camera

If the true depth camera on your iphone is filled with dust or covered with dust and unable to detect your face, then you can experience this issue as well. So, grab a soft brush or cloth and clean the true depth camera and blow some air on to the true depth camera and clean it nicely.

Once you completely clean the true depth camera on the iphone, then go ahead and check with face id on iPhone 16 pro or max with iOS 18.3 or later and it will start working as usual.

Also Read:

1) Fix Face ID Not Working After iOS 17.2 Update

2) Enable and Disable Require Attention for Face ID Option on iPhone 14, 13, 12

3) How to Fix Face ID Not Working For Apple Arcade Subscription

4) How to Lock Apps on iPhone With Password or Face ID Fingerprint

5) Fix A Problem was detected with the TrueDepth camera & Face ID has been disabled

Setup Face ID Again

If none of the above solutions works for you, then you need to setup face id on iphone again and it’s simple and doesn’t take much time.

Step 1: Go to settings and Scroll down and find Face ID and Passcode and enter face id settings

Step 2: Now, enter iPhone passcode

Step 3: Now, Scroll down and tap on Reset Face ID and wait for it to reset.

Step 4: Now, Restart your iPhone and follow on-screen instructions and setup face id again and it will work without any issues on iPhone 15 Pro or iPhone 16 pro or Max mobiles.

Update to Latest iOS Version

A bug may have been present within the Apple operating system, and Apple may have resolved the issue and released an update. In this case, you will need to check for the latest available version of iOS and update your iPhone accordingly.

Contact Apple Support

If you still experience the same issue with face id then you need to contact apple support online and try troubleshooting and they will resolve the issue.