HT201210: If you see an error when you update or restore your iPhone, iPad, or iPod
Learn about If you see an error when you update or restore your iPhone, iPad, or iPod
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Sep 17, 2016 8:03 PM in response to Hemiphilby alex_h1,Hello Hemiphil,
Thank you for using Apple Support Communities.
I understand from your post that when trying to update your iPad 4th generation to iOS 10 via Wi-Fi that it will not complete. Also, when you try to restore via iTunes you receive error 27. I know how important it is for you to be able to update your iPad 4th generation. The article below will provide some insight and steps regarding error 27:
Get help with iOS update and restore errors​
Best RegardsCheck for hardware issues
If you see error 53, learn what to do. If you see one of the errors below, you might have a hardware issue:
- 1, 3, 10, 11, 12, 13, 14, 16
- 20, 21, 23, 26, 27, 28, 29, 34, 35, 36, 37, 40, 56
- 1002, 1004, 1011, 1012, 1014, 1667 1669
Here's what to check:
- If iTunes is already open, quit and reopen it.
- Make sure that you have the latest version of iTunes.
- Check for issues with third-party security software.
- Make sure that your USB cable, computer, and network are reliable. Then try twice more to restore your iPhone, iPad, or iPod.
- If you still see the error message, you can check for outdated or modified software or contact Apple Support.
