Why and how to fix the issue when your iPhone Auto-lock is greyed out? This message will give you all things you need to solve the problem.
When the auto-lock option on your iPhone turns gray, you won't be able to adjust the duration before the screen locks. This problem is usually caused by the following reasons:
🔋 Low Power Mode - Automatically set the auto-lock to 30 seconds and disable the change.
📱MDM (Mobile Device Management) Profile - Used for school or company restriction settings.
⏳ Screen Time Limits - Parental controls or app restrictions may shorten the lockout time.
No matter what caused this issue, there's no need to worry—this article provides you with a detailed solution to fix it.
If the issue is caused by enabling the Low Power Mode feature, you need to disable it to solve the problem.
Just go to the Settings app on your iPhone > Scroll down to find and tap Battery > Disable the Low Power Mode and the greyed-out Auto-Lock option in Settings should be available again.
A configuration profile is a file that includes various settings and restrictions for an iOS device. It is commonly used by organizations, schools, or IT administrators to manage devices remotely and enforce certain configurations. Once installed, the profile's settings will take precedence over the device's default settings and can impose restrictions related to security, network access, app usage, and more.
If an MDM configuration profile is causing limitations, such as the Auto-Lock option being greyed out on an iPad, removing it may resolve the issue. This action will release your iOS device from the restrictions set by the profile, allowing you to adjust the Auto-Lock time setting as usual.
Step 1. Check the configuration profiles installed on your iPhone: Go to Settings > General > VPN & Device Management.
Step 2. Select the configuration profile you wish to delete.
Step 3. Tap Remove Profile, enter your device passcode, and then tap Remove.
If neither of the above methods works, it may be an issue with the Screen Time settings. Certain app restrictions might limit Screen Time to specific periods, causing the screen to lock automatically. You can solve this by removing the restrictions (such as Downtime and App Limits) or turning them off.
Just go to the Settings app on iPhone > Choose Screen Time, then scroll down to turn it off.
👉️ Tip: If you are finding ways to remove Screen Time restrictions, you can choose a professional iPhone unlocker named FoneTool Unlocker to make it. It helps you regain full control of your device by removing the Screen Time passcode. And this process will clear all Screen Time settings, including time and app restrictions.
Resetting all settings can be another solution to the issue. However, this action will also reset or erase network settings and phone configurations, including Display & Brightness, Wallpaper, Date & Time, Sounds, and more.
If you decide to proceed with resetting all settings, follow these steps:
Open the Settings app on your iPhone > Tap General > Find the Reset option or go to Transfer or Reset iPhone and tap the Reset button > Select it, then choose Reset All Settings. Then your device will prompt you to enter your passcode. After entering the correct passcode, all settings will be reset.
After attempting all the previous solutions, you may need to reconfigure the Auto-Lock timeout on your iPhone.
Step 1. Open the Settings app > Tap on Display & Brightness, then scroll down and select Auto-Lock.
Step 2. Choose your preferred time interval for your iPhone to lock automatically. Options usually range from 30 seconds to 5 minutes. Additionally, you may have the choice to select Never if you want the screen to remain on indefinitely until you manually lock it.
If you cannot remove the MDM profile, contact your IT administrator for assistance, as they may have set restrictions for security reasons.
Resetting all settings is generally safe, but it will erase your personalized settings. Make sure to back up important configurations before proceeding.
Other settings that can influence Auto-Lock include Low Power Mode and certain accessibility features. Make sure these options are not interfering with Auto-Lock.
This passage gives you the solutions to fix the iPhone Auto Lock greyed out issue. You can view all things to figure out why this issue occurs and how to solve the problem in detailed steps. If this guide helps you a lot, you can share it with more people.