IOS has gone to 12! Installing the update. Normally, it should be a quick and easy process — but things can and do go wrong. If it times out, fails to verify, won't download, won't complete, or won't reboot, you'll need to troubleshoot. Here's what you can do! What do you do if iOS 12 doesn't seem to be downloading or installing?
When you tap to install iOS 12, if nothing happens, you can try force-quitting Settings and begin again. Double click the Home button (or 3D Touch/firmly press the left side of the screen on iPhone 6s or later) to bring up the fast app switcher. Swipe across to the Settings app card. Kill the Settings Apps card by flicking it up and off the screen. What if iOS 12 freezes or stops responding? If your iPhone or iPad becomes non-responsive, hangs, or otherwise stops working, your next step is to force it to reboot.
On iPad, iPod touch, and any iPhone prior to iPhone 7:. Press and hold down the On/Off button on the right side (iPhone 6 or later) or top (all other iPhones, iPods, and iPads) of your device. While continuing to hold the On/Off button, press and hold the Home button on the front of your iPhone, iPod touch, or iPad. Hold both buttons as the screen turns off, and keep holding them until the screen turns back on and displays the Apple logo. On iPhone 7 and newer:.
Press and hold down the On/Off button on the right side. While continuing to hold the On/Off button, press and hold the volume down button on the left side of your iPhone. Hold both buttons as the screen turns off, and keep holding them until the screen turns back on and displays the Apple logo.
How about if iOS 12 won't restart or let you reboot? If your iPhone or iPad doesn't want to shut down or start back up, you can escalate to recovery mode.
If you are connecting to the computer remotely with software such as TeamViewer, VNC etc. It will not work, because macOS doesn’t allow you to press “Allow” button through other applications. You have to directly press that button with your trackpad. Two ways to force restart a Mac. The simplest method: hold down the Power button till your Mac shuts down. Press the button again to restart it. If your Mac hangs for good and the pointer is inactive: Hold down Control + Command while pressing the Power button. This is an alternative key combination to force restart a Mac.
For iPad, iPod touch, and iPhone prior to iPhone 7:. Turn Off your iPhone, iPod touch, or iPad if it isn't off already. Press and hold down the On/Off button on the right side (iPhone 6 or later) or top (all other iPhones, iPods, and iPads) for 3 seconds. Swipe the slide to power off confirmation slider to the right. Press and hold down the Home button on your iPhone, iPod touch, or iPhone. Plug your iPhone, iPod touch, or iPad into your Mac or Windows PC and make sure iTunes is running. Release the Home button when you see the Connect to iTunes screen.
On iPhone 7 and newer:. Turn Off your iPhone if it isn't off already. Press and hold down the On/Off button on the right side (iPhone 6 or later) or top (all other iPhones) for 3 seconds.
Swipe the slide to power off confirmation slider to the right. Press and hold down the volume down button on your iPhone. Plug your device into your Mac or Windows PC and make sure iTunes is running.
Release the volume down button when you see the Connect to iTunes screen. Any iOS 12 troubleshooting questions? If you need any more help with iOS 12, drop your questions in the comments below! Updated September 2018: Updated for the official iOS 12 update.