9 Best Ways to Fix iPhone Auto Lock Not Working [2024 Updated]

The issue of iPhone Auto Lock not working can indeed be troublesome as it results in your iPhone screen failing to lock automatically after a certain time. The Auto-Lock feature is crucial as it puts your iPhone to sleep, preventing unauthorized access when your iPhone is not in your sight. To save you from suffering, we've proposed 9 practical methods in this comprehensive article. Say goodbye to endless scrolling through forums and outdated troubleshooting guides.

• Part 1. Solutions to Auto Lock on iPhone Not Working
• Method 1: Adjust Auto-Lock Settings
• Method 2: Disable AssistiveTouch
• Method 3: Turn Off Low Power Mode
• Method 4: Disable Attention Aware Features
• Method 5: Turn Passcode Off and On
• Method 6: Update iOS Version to the Latest
• Method 7: Force Restart iPhone
• Method 8: Reset All Settings
• Part 2. Fix Auto-Lock Not Working on iPhone with No Data Loss [Effective]
• Part 3. FAQs about Auto Lock on iPhone
• Part 4. Conclusion

Part 1. Solutions to Auto Lock on iPhone Not Working

Unlocking the mystery behind your auto lock on iPhone not working is simpler than you think. Let's explore some straightforward fixes to get your device back on track.

Method 1: Adjust Auto-Lock Settings

First things first, let's check the basics. Sometimes, a quick adjustment in the Auto-Lock settings is all you need to set things right. Now, let's take a look at the way.

• Step 1: Go for Settings on your iPhone followed by Display & Brightness.
• Step 2: Tap on Auto-Lock and select the timer you prefer.

Method 2: Disable AssistiveTouch

Theoretically, AssistiveTouch is a function that enables you to access frequently used features on iPhone. But sometimes, AssistiveTouch may fail to work or create problems like auto lock on iPhone not working.

• Step 1: Open the Settings app and scroll down to the Accessibility option.
• Step 2: Choose Touch and locate AssistiveTouch, make sure it's turned off.

Method 3: Turn Off Low Power Mode

Low Power Mode is to temporarily reduce power consumption by turning off some features such as automatic downloads, background app refresh, etc. When encounter auto lock glitches, it could be that Low Power Mode is enabled on your device.

• Step 1: Visit the Settings app and select Battery.
• Step 2: Switch the Low Power Mode option to the left to turn it off.

Method 4: Disable Attention Aware Features

Attention Aware Features are useful but can interfere with auto-lock. Turning it off can ensure your screen locks when you want it to.

• Step 1: Go to Settings, then tap on Face ID & Passcode, then enter your screen passcode.
• Step 2: Swipe down to find Attention Aware Features and turn it off.

Method 5: Turn Passcode Off and On

There are a lot of users who have had the same issue saying that disabling the passcode lock on your iPhone and then re-enabling is an impactful solution to such a problem. If the above methods don't work for you, why not give this solution a shot?

• Step 1: Get into Settings, choose Face ID & Passcode, and enter the screen passcode.
• Step 2: Tap the Turn Passcode Off, then enter your passcode again.
• Step 3: Restart your iPhone and repeat the above to turn the passcode on.

Method 6: Update iOS Version to the Latest

Running the latest iOS ensures all the latest bug fixes. Keeping your software up to date can resolve a variety of issues, including auto-lock not working on iPhone.

• Step 1: Go to Settings, and tap on General.
• Step 2: Select Software Update, then install any available updates.

Method 7: Force Restart iPhone

A force restart is like a fresh start for your iPhone. It's a quick and easy way to clear out any glitches and get things working smoothly again.

• Step 1: Quickly press and release the Volume Up button.
• Step 2: Quickly press and release the Volume Down button.
• Step 3: Press and hold the side button until the Apple logo appears.

• 💡 Note: Some iPhone models don't work this way, check Apple Support to find more details.

Method 8: Reset All Settings

Resetting all the settings can also get the matter finished. Do note that many iPhone issues including the glitch of iPhone auto lock not working are directly attributable to the improperly configured iPhone settings.

• Step 1: Go to the Settings app.
• Step 2: Swipe down to tap on General and then to Transfer or Reset iPhone.
• Step 3: From Reset, select Reset All Settings and confirm this operation by entering your passcode.

Part 2. Fix Auto-Lock Not Working on iPhone with No Data Loss [Effective]

In case those general measures are of no avail, here comes a dependable and practical way to repair the issue of the iPhone auto lock not working with Joyoshare UltFix. This program devotes itself to repairing sundry iOS issues quickly and securely, such as iPhone frozen on lock screen. Additionally, its power and flexibility are also embodied in that it can do the same on other iOS devices including iPad and iPod touch. Here is the step guide of the program, which it's simple and easy to perform.

Step 1 Launch Joyoshare UltFix

To begin with, launch Joyoshare UltFix after downloading and installing. Then connect your iPhone to a computer using an original USB. When the program shows that your device is successfully connected, please go ahead by clicking iOS System Repair, then Start.

Step 2 Choose Repair Mode

There are two repair modes provided. You are suggested to pick Standard Mode as it does not cause data loss during the repair process. Next, after selecting your iPhone model, you need to follow the steps presented on the screen to make your iPhone enter DFU mode or recovery mode.

Step 3Download the Firmware Package

Confirm your iPhone information shown on the screen. You can also manually correct if the information is wrong. Then click on "Download" to download and verify the firmware package. Please ensure that the computer network is stable during the download process.

Step 4 Start to Fix Auto Lock on iPhone Not Working

Unzip the firmware package by hitting on Start Standard Repair. Once finished, the program will repair the iPhone problem for you at once. During the whole process, please ensure that your iPhone is fully charged and keep connected.

Part 3. FAQs about Auto Lock on iPhone

• 1. What is auto lock on iPhone?
• Auto-lock on iPhone is a built-in feature that automatically locks your device after a period of inactivity. It's designed to help preserve battery life and protect your privacy by preventing unauthorized access to your iPhone when it's not in use. Essentially, it requires a passcode, Touch ID, or Face ID to unlock it again. This feature can be customized to lock the device after different time intervals depending on your preferences.

• 2. Why can't change auto lock on iPhone?
• If you're unable to change the auto-lock settings on your iPhone, several factors like software glitches, low power mode, and hardware issues could cause this issue. In addition, if your iPhone is managed by an organization or has configuration profiles installed, they may restrict certain settings.

• 3. How to turn off auto lock on iPhone?
• Turning off auto-lock on your iPhone is a simple process. Here's how to do it:
• Step 1: Open Settings, scroll down, and tap on Display & Brightness.
• Step 2: Find Auto-Lock and tap on it to proceed.
• Step 3: Tap on Never to disable auto-lock completely.

• 4. How to change auto lock on iPhone?
• The way to change auto lock is similar to turning it off, here are the detailed steps:
• Step 1: Open Settings, scroll down, and tap on Display & Brightness.
• Step 2: Tap on Auto-Lock to proceed.
• Step 3: You'll see various time intervals ranging from 30 seconds to 5 minutes. Select the desired duration for auto-lock by tapping on it.

• 💡 Extra Note: It's worth noting that third-party screen guards and tempered glass protectors may sometimes have poorly fitting cutouts. This can lead to obstruction of the proximity sensor, causing issues with auto-lock functionality. If your auto-lock isn't functioning properly, it's worth checking if your screen guard is applied correctly.

Part 4. Conclusion

We have explored 8 common ways and a professional tool aimed at the iPhone auto lock not working issue. We hope this article can help you troubleshoot the problem successfully and keep your iPhone's security in your hands. More than this, if you encounter any other iOS problems, Joyoshare UltFix is always here for you. Any comment or suggestion is welcomed. Feel free to leave a comment below.