+ Reply
Results 1 to 2 of 2

Your favorite Apple, iPhone, iPad, iOS, Jailbreak, and Cydia site.


Thread: Help !!!!

is a discussion within the

Pwnage

forums, a part of the

Jailbreak / Downgrading / Upgrading

section;
I cant restore and upgrade my iphone 4. It occurs error 21. Any guides?
...
  1. #1
    What's Jailbreak?
    Join Date
    Sep 2011
    Posts
    15
    Thanks
    0
    Thanked 0 Times in 0 Posts

    Default Help !!!!
    I cant restore and upgrade my iphone 4. It occurs error 21. Any guides?

  2. #2
    iPhoneaholic
    Join Date
    Apr 2009
    Posts
    307
    Thanks
    0
    Thanked 29 Times in 29 Posts

    Error 21 means that you have an older version of iTunes when upgrading to iOS 5. It need to be at least on version 10.5.1. I suggest that you install the latest

    Good luck

Posting Permissions
  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts