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5 Ways to Fix Auto-Lock Not Working on iPhone

Quick Tips
  • Try restarting your iPhone and installing any pending iOS updates to fix issues caused by bugs and glitches.
  • Check the auto-lock settings on your iPhone and try disabling the passcode and setting it up again.
  • AssistiveTouch and Attention-Aware Features can interfere with your iPhone’s ability to automatically lock the screen; so it’s best to turn them off.

Try Basic Fixes

  • Disable Low Power Mode: Is the Auto-Lock setting grayed out on your iPhone? That could happen if you have enabled Low Power Mode on your iPhone. To turn it off, open the Settings app and tap on Battery. Then, turn off the toggle next to Low Power Mode.
  • Install iOS updates: It’s always a good idea to keep your iPhone updated to the latest iOS version. If the problem you encounter is due to a bug, installing the latest iOS updates will help.

Fix 1: Check Auto-Lock Settings

Another thing you should do is ensure that the Auto-Lock feature is enabled on your iPhone. Here’s how to do it.

Step 1: Open the Settings app and scroll down to tap on Display & Brightness.

Step 2: Tap on Auto-Lock and select your preferred duration from the following menu.

Fix 2: Turn Off AssistiveTouch

AssistiveTouch is a useful accessibility feature on your iPhone that lets you perform several potent tasks quickly. However, this feature can sometimes interfere with your iPhone’s ability to automatically lock the screen after inactivity. You can try turning this feature off to see if that helps.

Step 1: Open the Settings app on your iPhone.

Step 2: Tap on Accessibility and select Touch from the following screen.

Step 3: Tap on AssistiveTouch and turn the toggle off in the following menu.

Fix 3: Turn off Attention-Aware Features

Attention-Aware features on your iPhone use your front camera and sensors to detect when you are looking at the device. When enabled, these features can prevent the screen from dimming or the device from auto-locking when you are looking at the screen. This can give the impression that the Auto-Lock feature is not working on your iPhone.

To avoid any confusion, disable Attention Aware features on your iPhone using these steps:

Step 1: Open the Settings app and scroll down to tap on Face ID & Passcode.

Step 2: Turn off the toggle for Attention-Aware Features.

Fix 4: Set Up the Passcode Again

If the problem persists, try disabling the passcode feature and setting it up again. Several users on the Apple forums reported fixing the issue with this trick, so you can give this method a shot.

Step 1: Open the Settings app on your iPhone.

Step 2: Scroll down to tap on Face ID & Passcode and enter your device passcode.

Step 3: Choose the Turn Passcode Off option and enter your passcode to confirm.

Step 4: Restart your iPhone, open the Settings app again, and head to Face ID & Passcode. Select Turn Passcode On and set up your passcode again.

Fix 5: Reset All Settings

Finally, if none of the above tips help, try resetting all the settings on your iPhone. This won’t affect your personal data, but it will restore all custom settings back to their default values.

Step 1: Open the Settings app and go to General > Transfer or Reset iPhone.

Step 2: Tap on Reset and select Reset All Settings from the resulting menu.

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Last updated on 03 September, 2024

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