Setting up a screen lock on an iPhone basically is an attempt by the owner to prevent unauthorized access to the phone. If you set up auto-lock feature, your iPhone will automatically get locked when it's not used for some time. When auto-lock not working, your iPhone screen won't automatically turn off until you make it. This is serious. But no worries, we are going to show you how to fix iPhone auto-lock not working and fix the lock problem.
Part 1: Try These Tips to Fix iPhone Auto-Lock Not Working on iOS 12
Part 2: Use This Tool to Successfully Solve iOS 12 Auto-Lock Not Working
Part 3: What If Auto-Lock Setting on iPhone Greyed out? How to Fix
Try These Tips to Fix iPhone Auto-Lock Not Working on iOS 12
This auto-lock problem has not been completely solved by Apple. But here are some tips you can try to fix the issue. They are not 100% working but why not have a try if there is a chance of success.
Fix 1: Re-enable Auto Lock on iPhone
To make sure your iPhone apply the auto-lock setting, it's suggested to re-enable it.
On your iPhone, go to Settings > Display & Brightness > Auto-Lock. Select Never and go back. Then go to Auto-Lock again and select the timer you want to set for your iPhone.
Fix 2: Turn Off AssistiveTouch
The AssistiveTouch feature on any iOS devices often causes issues with other features. Auto-lock is not working, it could be the AssistiveTouch is enabled on your iPhone. So turn off this feature and your iPhone auto-lock should start working.
On your iPhone, open Settings > General > Accessibility > AssistiveTouch and then disable it.
Fix 3: Disable Low Power Mode
iOS auto-lock not working may due to the enabling of Low Power Mode. This mde prevents many functions from fully functioning on your iPhone. Disabling this mode should fix this issue for you.
On your iPhone, go to Settings > Battery. You will see Low Power Mode there. Switch it to left and it will be turned off.
Fix 4: Force Restart iPhone
Sometimes, your iPhone may just need a force restart to fix issues. It's easy, quick and fixes a lot of issues including the auto lock not working. Different iPhone models have different ways to force restart iPhone:
For iPhone 8 and later: Press and quickly release the top Volume button, press and quickly release the below Volume button, then press and hold the Side button until the Apple logo appears.
For iPhone 7/7 Plus: Keep pressing the Side and Volume down buttons simultaneously until the Apple logo appears.
On iPhone 6s and earlier: Keep pressing the Side and Home buttons at the same times until you see the Apple logo.
Fix 5: Re-activate Passcode Request
Sometimes, you may just need to re-activate your iPhone passcode and the auto lock would start working.
Go to Settings > Touch ID & Passcode (or Face ID & Passcode) and enter your iPhone passcode. Tap on Turn Passcode Off and then restart your device. Once it is back on, turn the Passcode feature on once again.
Fix 6: Reset All Settings
Incorrectly configured settings are always the main cause of some issues and this may be the reason why your iOS auto lock is not working. Therefore, it's suggested to reset all the settings to factory default.
On your iPhone, go to Settings > General > Reset > Reset All Settings. You will be required to enter your iPhone passcode to get started.
There is no guarantee that the above tips should be working for everyone, because iPhone auto lock not working may due to different causes. However, if your iPhone auto lock issue is not fixed, you'd best use the fixing tool which will be discussed below, it would permanently fix your issue.Also Read:jihosoft Free iPhone Data Recovery
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