iphone 4 with os5 help updating

[michael88997]

im trying to update my iphone 4 to the new software and its maybe 15% in and frozen... how can i fix it?

 

[Gregoris]

I assume you mean GSM - http://appldnld.apple.com/iPhone4/041-8358.20111012.FFc34/iPhone3,1_5.0_9A334_Restore.ipsw try that link