Unexpected shutdown of iphone
After putting in recovery mode and then restring, I get: "The iPhone “iPhone” could not be restored. An unknown error occurred (21)."
You can make a difference in the Apple Support Community!
When you sign up with your Apple Account, you can provide valuable feedback to other community members by upvoting helpful replies and User Tips.
When you sign up with your Apple Account, you can provide valuable feedback to other community members by upvoting helpful replies and User Tips.
After putting in recovery mode and then restring, I get: "The iPhone “iPhone” could not be restored. An unknown error occurred (21)."
Could be a hardware malfunction.
iOS update and restore errors - Apple Support
If you see one of the errors below, you might have a hardware issue:
1, 3, 11, 12, 13, 16
20, 21, 23, 26, 27, 28, 29, 34, 35, 36, 37, 40, 56
1002, 1004, 1011, 1012, 1014, 1667, 1669
Could be a hardware malfunction.
iOS update and restore errors - Apple Support
If you see one of the errors below, you might have a hardware issue:
1, 3, 11, 12, 13, 16
20, 21, 23, 26, 27, 28, 29, 34, 35, 36, 37, 40, 56
1002, 1004, 1011, 1012, 1014, 1667, 1669
Unexpected shutdown of iphone