iOS: Unable to Install Update: An error Occurred Installing…

Several users have reported that they’re receiving an error when trying to update their iPad or iPhone devices. It seems that this is one of the most common issues that iOS users face when updating.

You can easily update your iPhone, iPad, or iPod touch wirelessly. To install the latest version of iOS,  tap Settings > General > Software Update. If you can’t, there might be many possible reasons.

Apple periodically releases updates for the iPhone, iPad, and iPod touch. Updates for iOS are released via over-the-air software updates. These releases include bug fixes, additional features and improvements. Thus we recommend to install the latest available updates.

If you see this error when you update your iPhone, iPad, or iPod, here is how to troubleshoot it:

See also: Black Screen With Spinning Wheel

iOS Update Problem Fixes:

1. Restart your iOS device
2. Make sure that there is enough space to download and install an update. If this is the issue, you may want to make more space by removing content that you do not need or use. To do so, simply go to Settings > General > Storage & iCloud Usage > Manage Storage. You may also want to turn on iCloud Photo Library. This will let you reduce the size of your Photo library.
3. Try again by by removing and downloading the iOS update. Here is how:
   • Tap Settings > General > Storage & iCloud Usage > Manage Storage.
   • Tap the iOS update
   • Tap  Delete Update
   • Now Settings > General > Software Update and try again.
4. You can also try iTunes to update your device manually. Here is how:
   • Make sure that you have the latest version of iTunes on your computer (Mac or Windows)
   • Launch iTunes
   • Connect your iPad or iPhone to your computer using your USB to Lightning (or 30-pin Dock) cable.
   • In iTunes, select your device
   • Click Summary > Check for Update in the Summary page
   • Click Download and Update
   • If asked, enter your passcode
5. Force restart your device :
   • iPhone 7 and newer: Simply press and hold both the Sleep/Wake and Volume Down buttons until the Apple logo appears.
   • iPhone 6s and earlier models and other iOS devices: Press and hold both the Sleep/Wake and Home buttons until the Apple logo appears.
6. This is for advanced users. You may want to use iOS IPSW File to Update. Here is how:
   • On your computer, download IPSW file for your device.
   • Connect your device to your computer
   • Open iTunes
   • Go to the Summary tab
   • Hold down the Shift key in Windows or Alt/Option key on Mac and click Update.
   • Then find and select the IPSW file you just downloaded

See also: iPhone, iPad Activation Problems, Fix