By Michael | Last Updated
Q: “After updating to iOS 17.1.2, my iPhone 15 broke down and I couldn’t unlock or turn it off. Why does my iPhone 15 not turn off and how to fix it? ”
iPhone 15 is the latest smartphone launched by Apple, with many advanced features and good performance. However, as an electronic device, a mobile phone is not always perfect and may occasionally malfunction. Recently, many users have reported that the iPhone 15 cannot be turned off, causing them a headache. In this guide, we’ll discuss why your iPhone 15 won’t turn off and share some proven fixes.
Some users don't know how to turn off the iPhone 15. If the procedure is not done correctly, it is no wonder your iPhone 15 keeps refusing to "rest". Before getting into the topic, We need to share the detailed steps to turn off your iPhone 15 first.
Steps: Press and hold the Side button and either Volume button simultaneously until the power off slider appears on the screen. Drag the slider to turn off the iPhone.
Figuring out why does the iPhone 15 not turn off will help you take the right solutions. There are many reasons for this problem, some of the most likely reasons include:
1. Software failure. Update failures, system failures, and program file errors may cause the iPhone 15 to fail to shut down properly.
2. Hardware damage. When the iPhone's button not working or other internal components are damaged, shutting down the device becomes no longer easy.
3. The screen is cracked or frozen. If you can't even slide the shutdown slider on the screen, the iPhone won't respond to the shutdown command.
4. Battery or Charging Issues: If your iPhone’s battery is near depletion or if there is an issue with charging, it may not respond to the shutdown request.
Now that you've solved the question "Why does my iPhone 15 not turn off", but not all users can identify the exact reason for this error, you can use the following methods to try to fix it.
If you are patient enough, then the easiest way to fix iPhone 15 won't turn off is to set it aside and wait for its battery to run out completely. This way, your device will be forced to turn itself off because it is running out of energy. You can do this by playing videos, launching games, voice calls, and other actions on your phone to speed up the battery drain.
However, if your iPhone has some unknown faults, your device is likely to fail to turn on after shutting down or the iPhone black screen but still on.
Force restart is a common way to solve iPhone unresponsive, freezing, and black screen problems, and for an unresponsive iPhone 15 that can't be turned off, the easiest way you can try is to force restart the device. Similarly, it applies to ios 17/18 update phone not turning on.
Step 1: Quickly press the Volume Up button on the side and quickly release it.
Step 2: Quickly press the Volume Down button on the side and quickly release it.
Step 3: Next, press and hold the power button on the right side of the device until the Apple logo appears on the screen and then release it.
AssistiveTouch is a handy feature that assists you to continue operating your device even when the iPhone's screen or buttons are disabled. If you are unable to turn your iPhone 15 off with a combination of buttons, then this feature may be helpful to you.
Step 1: If you haven't enabled AssistiveTouch yet, go to "Settings" > "Accessibility" > "Touch", and click the button next to the AssistiveTouch option to turn it green.
Step 2: In the AssistiveTouch menu, select the "Device" option.
Step 3: Then click on the "Restart" option and you will be asked if you are sure you want to restart your phone, click on "Restart" again to confirm and the phone will turn off and on.
System software malfunctions may cause various problems with your iPhone, such as device freezing, stuck in SOS mode or unresponsive screens and commands. Restoring your device to its default settings via iTunes can effectively resolve such issues.
Step 1: Connect your iPhone 15 that won't turn off to your computer, run iTunes and check if it is the latest version, if not, upgrade iTunes first.
Step 2: In the main interface window of the program, locate and click the "Phone" icon, and then click the "Summary" option.
Step 3: In the right tab, click the "Restore iPhone" button. iTunes will prompt you to backup your iPhone, which is very important because the recovery process will erase all the data and settings on your device.
Step 4: Confirm that you want to restore your device and wait for iTunes to download and install the latest iOS software to your iPhone.
If you feel that troubleshooting the cause of device failure and restoring iPhone settings is a tedious process, you can choose to use a professional iOS system repair tool to solve the problem of iPhone 15 not shutting down.
iSunshare iOS Repair Genius is an advanced smart program capable of repairing almost all common system issues on iOS devices while preserving data, including black screen, green screen, stuck on preparing update, iPhone won't turn on or off, etc. Additionally, this tool also provides options to upgrade and downgrade iOS.
Step 1: First, download and install iSunshare iOS Repair Genius from the iSunshare official website on your computer.
Step 2: Run the software and select "Standard Mode" in "System Repair".
Step 3: Connect your iPhone 15 to the computer using a USB cable and click "Next". The software will automatically detect and load your device information. If it is not recognized, the software will guide you into recovery mode.
Next, click "Download" to download the firmware package that matches your iPhone.
Step 4: Finally, click the “Repair” button and iOS Repair Genius will start the repair process immediately.
Wait patiently for the process to be completed, then your iPhone will automatically restart and the iPhone 15 won’t shut down issue should be resolved.
If you've tried everything and still can't turn off your iPhone 15, it could be due to a manufacturing defect or damaged internal components. It is recommended that you send your device to an Apple authorized repair center for inspection. If your iPhone is still under warranty and has not been damaged, you may be eligible for free repair service.
With the end of the article, I hope you have found the answer to “Why won’t my iPhone 15 turn off” and successfully solved the problem of the device not turning off. If the issue is still not resolved, it is recommended to contact Apple officials for professional support.
