iPhone
Q: 21 is due to hardware error, then how
i got iphone 4s 16 gb i try to restore the software it gives me an error code 21 so i don't know what's a problem.
hardware do what they must do first? Please help me show Thanks Photos
Posted on Sep 9, 2016 3:27 AM
by Ingo2711,Apple recommended
iPhone
Did you follow the steps mentioned in the article you linked above?
The blue links will give you more information, if needed.
Here's what to check:
- 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- If you still see the error message, you can check for outdated or modified software or contact Apple Support.
Posted on Sep 9, 2016 4:15 AM