Curlycoat
Level 1
(4 points)
Q: Unable to update iPhone 4s to latest ios 9.3.1
Unable to update iPhone 4s to latest ios 9.3.1 using iTunes 12.3.3.17. Unable to update firmware. Reports error 29. Have tried most of the advices by Apple-support without success.
iPhone 4S, iOS 9.3.1
by ChitlinsCC,Solvedanswer
ChitlinsCC
Level 6
(8,202 points)
Notebooks
from > Get help with iOS update and restore errors - Apple Support
...
Check for hardware issues
If you see error 53, learn what to do.
Errors: 1, 3, 11, 12, 13, 14, 16, 20, 21, 23, 26, 27, 28, 29, 34, 35, 36, 37, 40, 56, 1002, 1004, 1011, 1012, 1014, 1667, and 1669.
Your iPhone, iPad, or iPod touch or computer might have a hardware issue that stops the update or restore from completing.
- Check that your security software and settings aren't blocking your device from communicating with the Apple update server.
- Try to restore your iPhone, iPad, or iPod two more times while connected with a cable, computer, and network you know are good.
- Make sure that your security software and settings are allowing communication between your iPhone, iPad, or iPod touch and update servers.
- If you still see the error message when you update or restore, contact Apple support.
If you still see the error message, check for outdated or modified software.
