Oct 16 2011

IOS5 Upgrade error “Unknown Error -23″

Hi All

A lot of people on IOS seems having problem to upgrade to iOS5 having issue, one common “Unknown Error -23″. it is possible of corrupted IOS downloaded, solution which is to update it manually.

1. Download the iOS5 manually. See iOS 5 Now Available:

iPhone 4 GSM

http://appldnld.apple.com/iPhone4/041-8358.20111012.FFc34/iPhone3,1_5.0_9A334_Restore.ipsw

2  For Mac users, copy the iOS5 file to “~/Library/iTunes/iPhone Software Updates“.

Win XP users “\Documents and Settings\username\Application Data\Apple Computer\iTunes\iPhone Software Update

Win Vista / 7 users “\Users\username\AppData\Roaming\Apple Computer\iTunes\iPhone Software Updates

 

3  Go back to iTunes and hit “Update”.

Hope it works

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