“I'm running an iPhone 12 in iOS 15. Auto-Lock options are 1, 2, 3, 4, 5 minutes. On my device only 2 minutes works. The rest do nothing. And the Auto-Lock only works on the home screen and never when any app is in view. Anybody got ideas to fix this?”
The Auto-Lock feature on iPhone or iPad will put the device to sleep and lock the device after a short time of inactivity. It is helpful to save battery life and protect iPhone data when you forgot to lock the device.
However, some users are complaining about issues with the Auto-Lock feature after installing the newest iOS 15. The Auto-Lock feature is stuck or greyed out, and their iPhones do not go into sleep mode after a period of inactivity.
Today we will discuss this issue and offer you some effective solutions to fix iPhone Auto Lock not working problem.
The following are some quick tips you can try to fix the Auto Lock not working on your iPhone or iPad.
It's very obvious that your iPhone will not be automatically locked when Auto-Lock feature is disabled or it is set to Never. Follow the steps below to re-enable it:
If your iPhone is in Low Power Mode, you may also experience iPhone Auto Lock not working issue. To fix this problem, you'd better trun off Low Power mode. Here's how to do it:
Sometimes restarting an iPhone will help to fix minor software erros like this one that you experience after an iOS 15 upgrade. To restart your iPhone, follow these steps:
If a simple restart doesn't work, you can try a hard reboot and see if that helps resolve the problem.
Not only the Low Power Mode, the AssistiveTouch feature could also prevent the Auto Lock from working normally sometimes. If AssistiveTouch is enabled on your iPhone, you can try to disable this feature. Here's what you need to do:
Some users who have the same issue said in the forum that turning off Passcode and then turning it back on can also be helpful to fix the iPhone/iPad Auto Lock not working issue. Here is how to do it:
Resettings all settings can also fix the Auto Lock not working issue. After that, the iPhone system will be reset to the default settings, but the app data, photos, data, etc. will not be deleted and can still be used as usual.
On your iPhone, open the Settings app and go to General > Reset and choose "Reset All Settings". Enter your iPhone passcode to confirm the choice and the device will reboot after that.
Sometimes the Auto Lock setting on your iPhone is stuck or greyed out, and you won't be able to disable this feaure or change the Auto Lock duration. If you experience this issue, it is possibe that your iPhone is in Low Power Mode to help increase the battery life.
When your iPhone is in Low Power Mode, the original Auto-Lock settings will get over ruled and the device will be locked to the lowest possible value (30 seconds). To fix this, simple turn off Low Power Mode by going to Settings > Battery and toggle Low Power Mode off.
The ultimate solution that you can use if you don't want to suffer from data loss is using FoneGeek iOS System Recovery. It is a trusted repair tool that allows users to fix 150+ iOS related problems, such as iPhone vertical lines, GIFs not working, control center won't swipe up in iOS 15, and much more.
Step 1. Download, install and launch FoneGeek iOS System Recovery on your computer. Select "Standard Mode" from the home page.
Step 2. Then connect your iPhone to the computer via USB cable and click on "Next".
Step 3. Your iPhone will be detected by the program. Click "Download" to download the firmware package.
Step 4. When the download is complete, click on "Fix Now" and the program will start repairing automatically.
It will take nearly 10 minutes to complete the repair process. The Auto-lock not working problem will go away after the repairing process.
FoneGeek iOS System Recovery has helped many users solved their iOS issues and below is a feedback from our custoemrs.
Thanks a lot for going through this article and hope that these solutions will help you resolve the issue of iPhone Auto Lock not working. You are welcome to drop your comments below if you have any other better solutions or you have any other issues on your iPhone/iPad.
Joan J. Mims is interested in researching all tips about iPhone, iPad and Android. He loves to share useful ideas with all users.