i have jailbroken my iphone with jailbreakme.com , the current firmware of my...

saiweng

New member
Mar 3, 2011
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...phone is IOS 4.0? now i would like to upgrade to iOS4.2.1, can i directly do it in itune? if yes, what will happen to my iphone after upgraded to 4.2.1? thanks!
 


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