Orijinal gönderinin sahibi: Claudiu Gafton

Metin:

To solve problem with iTunes error "An unknown error occurred (21) " you have to edit hosts file and comment the line with saurik auth servers like this  #74.208.10.249 gs.apple.com, or you can use redsn0w restore extra features to force your iphone restore.

Durum:

open