How To Fix iPhone 12/11/Xr/8/7 Won't Turn Off Issue
With the most recent release of iOS software, you can shut down or power off your iPhone in multilpe ways. By turning off an iPhone, you have good chance to troubleshoot common iPhone issues like iPhone frozen, Stuck on Apple Logo, iPhone Boot Loop, etc. In this iPhone DIY Fix manual, we'll show you how to fix iPhone 13/12/11/Xr/X/8/7/6S Won't Turn Off issue, step-by-step.

Table Of Content
Part 1: The Causes Of iPhone Won't Turn Off Issue
It's not a unusual case that the iPhone is frozen and won't turn off. But at times, if your iPhone gets stuck on freezing apps, or get suffered by physical damages, you may hardly shut down/power off the iPhone device either from iOS software level or via physical Side/Power button (How To Retrieve Deleted Text Messages On iPhone). We can dive into the possible causes and explore how to recognize an iPhone 13/12/11/Xr/X/8/7/6S Wont Turn Off issue.

iOS Software Glitches: The iPhone device is frozen or unresponsive, which generally denotes to outdated iOS software version or other iOS problems.
Broken Side/Power Button: If the Side/Power button is damaged and not functioning, you cannot Turn Off/Shut Down your iPhone device.
iPhone Screen Not Working: To shut down an iPhone, you need to slide the screen to confirm powering off the device. Therefore, if the iPhone screen/display not working, you may be unable to power off the device.
Part 2: Common iPhone Stuck On Apple Logo Scenario
1 How To Fix an iPhone That Won't Turn Off (Reddit): My iPhone is an 11 Pro Max. A couple months ago it started having an issue with the iPhone 11 Pro Max turning off (How To Recover Deleted Call Log from iPhone). I would turn it off, the screen would turn black, then a few seconds later the Apple logo would flash back on and off constantly until I plugged it into the charger (which it would then continue to the lock screen but never turn off). It used to happen occasionally but now it happens all the time and I have not been able to fully turn off my phone for over a month. Could this be a power button issue?

2 iPhone Xr Won't Turn Off and Shut Down? (Apple Community): Last week I've had an annoying issue with my iPhone Xr. When I turn it off, it immediately turns right back on. I always leave my iPhone Xr on but when I'm in school I need to have it off. I've tried resetting it (Side + Volume +/- button) but it's still happening. I haven't tried draining the battery or restoring but I don't see how either would fix anything (How To Recover Deleted WhatsApp Messages On iPhone). I've uninstalled all of my latest apps in case they were interfering and that changed nothing. Does anyone know how to fix this iPhone won't turn off?

Part 3: How To Fix iPhone Won't Turn Off [General Ways]
More often than not, an iPhone may get frozen or won't respond to screen inputs. Even more severely, you are unable to use a combination of buttons and the onscreen slider to turn off/shut down the iPhone device (How To Recover Deleted Safari History On iPhone). You can follow steps below to learn how to fix this iPhone 13/12/11/Xr/8/7/6S Won't Turn Off issue.

Step 1: Force Restart iPhone. With a sequence of buttons, you can force restart an iPhone if it turns completely unresponsive or the iOS software is misbehaving. The method to force restart an iPhone depends on what model do you have.




Quick Note: If Force Restart/Hard Reboot your iPhone does not help solve this iPhone 13/12/11/Xr/X/8/7/6S Won't Turn Off issue, you need to Restore your device (A process that can reinstall iOS software) by using a computer. Follow steps below to continue fixing your iPhone Won't Turn Off error.
Step 2: Connect iPhone To Computer. Connect your iPhone to a Windows PC or Mac computer > Open Finder app (on Mac) or iTunes on Windows PC. Click your device icon.

Step 3: Put Your iPhone Into Recovery Mode. Follow these steps to put your iPhone (for iPhone 13/12/11/Xr/Xs/X) in Recovery Mode: Press and quickly release the Volume Up button > Press and quickly release the Volume Down button > Then press and hold the Side button.

Step 4: Exit Recovery Mode. In Finder or iTunes app, you'll see the option to Restore or Update your device, choose Update. If it takes more than 15 minutes, your device will exit recovery mode. Repeat steps 2-4 to fix your iPhone Won't Turn Off.

Part 4: Pro Way To Fix iPhone Won't Turn Off Issue
If none of the standard troubleshooting methods above doesn't work, or doesn't solve your iPhone won't turn off problem, it seems you need an expert iPhone Repair toolkit. Omni Toolbox is the best iPhone DIY Repair utility that's made to create iPhone hardware report, troubleshoot iPhone software glitches and even recover iPhone from severe iOS crashes. Follow steps below to learn How To Fix iPhone Won't Turn Off with Omni Toolbox.

Step 1: Download Omni Toolbox on your computer > Open it to start fixing your iPhone Won't Turn Off issue.

Step 2: Connect your iPhone to your computer with an Apple MFi Certified Cable > Enter your passcode to unlock this iPhone > Select Fix My iPhone.

Step 3: Choose Fix General iOS Issues.

Step 4: Tap Fix Now to start fixing iPhone Won't Turn Off issue.

Step 5: After a few seconds, Omni Toolbox will complete fixing your iPhone Won't Turn Off error. Now you can restart your iPhone and try again to use your iPhone.

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Conclusion
If none of these steps have solved your iPhone Won't Turn Off problem, and your iPhone still won't turn off, you can get phone support from Apple or go to an Apple Store for face-to-face help. For the final words, it's suggested to use Omni Toolbox - an Expert iPhone DIY Repair and iOS System Recovery software to solve your iPhone Won't Turn Off or other common iPhone/iOS problems.