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+----- Thread: [iPod] How to fix iTunes error 21? (/showthread.php?tid=4104282)
How to fix iTunes error 21? - KFCLover - Mar 8, 2014
So my friend asked for my help to fix his iPod 4g. He was going to restore it until there was a unexpected error. So I know when error 21 appears, a host might be blocking iTunes from restoring his iPod. But when I deleted the host and saved the file, error 21 still occurs. And it doesn't show his device name either
http://prntscr.com/2z6648 🤮
And I run it in DFU mode too
What should I do?