How to Fix Auto Lock Greyed Out on iPhone?

How to Fix Auto Lock Greyed Out on iPhone?

If you have an iPhone and Auto-Lock setting feature is not working on your iPhone. In other words, if it is stuck or grey out, then it is very hard to disable the Auto-Lock or expend its period for you. So, we will provide the best solution to fix the auto-lock not working issue on iPhone. You can easily solve this error with the below-given instructions.

What is Auto-Lock Greyed Out on iPhone?

In starting, the iPhone’s auto-lock function causes the touchscreen to be disabled after the last closing interaction. The Auto-Lock choice normally receives locked at 30 seconds regarding iPhone because it is automatically turned on.

Therefore, it is recommended to disable the Low Power Mode of your device. Also, you can change the settings to never automatically auto-lock after 30 seconds. You have an option to set the timing according to your choices. 

Why Your iPhone’s Auto-Lock Is Greyed Out?

The auto-lock feature will be disabled when you are in Low Power Mode, as we covered in the sections above.

Although Low Power mode can be turned on manually, it often appears when your iPhone’s battery life has dropped to under 20%.

Your auto-lock period is not the only thing that is changed to 30 seconds when Low Power Mode is activated. Until you can switch phones, the Low Power Mode setting on an iPhone will temporarily restrict certain background processes including downloads and mail retrieve.

Changing the Low Power Mode setting on your iPhone through the Settings menu is covered in the instructions above, but you can also alter it using the Control Center as well.

If your iPhone lacks a Home button, you can access Lower Power Mode by swiping down from the top-right corner of the screen. 

You may access the Control Center by swiping up from the bottom of the screen if your iPhone has a Home button.

You might need to add the Low Power Mode button if it isn’t already there in your Control Center. Go to Settings > Control Center and tap the green Plus button next to Low Power Mode to make this change.

Until you change it again, the auto-lock setting you choose—whether it’s 30 seconds, 1 minute, 2 minutes, 3 minutes, 4 minutes, 5 minutes, or Never—remains in effect. However, the auto-lock time will change back to 30 seconds if you choose Low Power Mode once more or if the iPhone does so automatically.

Major Causes for Auto-Lock Greyed Out on iPhone

The major and essential reason is the default Low Power Mode to auto-lock greyed out on your iPhone. Generally, this mode is set at 30 seconds, and after that, your iPhone will grey automatically.

This feature is designed to increase the battery life of your device. If your screen power is regularly on and you do not do work on your device. In case it consumes time and drains your battery. So, Auto-Lock Mode works and locks your iPhone after 30 seconds. Why is it 30 seconds? Because it is the minimum time for auto-locking in iPhone. 

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How to Fix Auto-Lock Greyed Out on iPhone?

This section will discuss the most secure and reliable solution to fix the auto-lock greyed out on your iPhone. We will mention some steps in this section. You need to better execution to get better output from this method. 

  1. Firstly, you are required to open the Settings app on your iPhone.
  2. Then, direct navigate to the bottom and select the Battery feature.
  3. In this section, click on the toggle button to OFF Low Power Mode.
  4. After that, move back to the Settings app on your device.
  5. Then, open the Display & Brightness option by tapping on it on your device. 
  6. After that, you need to click on Auto-Lock.
  7. At last, you need to select a longer auto-lock duration from 1 to 15 minutes. You can also choose the never auto-lock option. 

If you successfully implement the instructions mentioned above, you will be able to get the best output from this method. 

Solution 1: Turn Power Mode On and Off

If the auto-lock over iPhone greyed out because Power Mode is enabled. After that, you can quickly fix the issue with the below-given steps. 

  • Firstly, visit the Settings app on your device, and click on it to open it. 
  • Now, Settings will be opened. You need to scroll down the menu and click on the battery feature.
  • After this step, you can see the Low Power Mode feature. 
  • Now, click the button to turn on the feature, and after a few moments, hit the button again to turn it off.

With this, the trouble disappears, and your iPhone auto-lock greyed out after the Low Power Mode? If you execute the steps mentioned above in the same direction. Then, you can get results from this method. 

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Solution 2: Reset All Settings

Resetting entire settings over your machine execute function a bunch regarding wonders. It can reset and erase Network settings and like smartphone settings certain as Display & Brightness, Wallpaper, Date & Time, Sounds, and loads more. If you reset entire settings, the system executes also returns your iPhone following defaults over Airplane Mode, VPN, Personal Hotspot, Wi-Fi, Location Services because of Apps, Bluetooth, and Data roaming. Let us discuss the simple steps to execute. 

  • Firstly, you need to visit the Settings app on your iPhone.
  • Then, tap on the General section and search for the Reset button. After that, click on it and tap on the Reset All Settings.
  • At last, your iPhone will prompt, and you need to fill in your passcode. Here you need to enter the right passcode to reset all the settings. 

Solution 3: Update to The Latest iOS

In a few moments, your iPhone’s internal built operating system might be concerned about this problem. Now, we will tell you some operations below: 

  • Firstly, you need to open the app Settings on your smartphone.
  • Then, visit the General section and then Software Update. 
  • After that, you need to update your device to hit the download and Install option.

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Solution 4: Repair the System Problem with ReBoot

If you face the system error and auto-lock greyed out on your iPhone. Then, you will require to repair the system error. To get the best output, we recommend that you get Tenorshare ReiBoot. It is the most effective and reliable software to use and fix system errors. 

  • Firstly, you need to start downloading Tenorshare ReiBoot on your window and Mac. 
  • Then, you can use the software and use a USB cable to connect your device with your computer. When the computer detects your phone, hit Start to proceed.
  • After that, tap on Standard Repair and confirm read and understand the onscreen instruction before any further steps.
  • Then, download the firmware file on your device.
  • Here hit the Start Standard Repair to start system recovery. 
  • If your OS has been repaired, it can reboot automatically. You cannot lose the data, and if you choose the standard repair, you will not lose data.


You have learned about some special instructions and utilizing the solutions above. We have explained the different solution that has been verified. You can choose any solution as per your compatibility. According to the reviews, Tenorshare ReiBoot is the most popular application to fix the issues. 


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