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I recently updated my shiny new iPhone 4 to iOS 4.1, and like quite a few other users, Im starting to cone across the annoying battery drain issue. After some digging around, I eventually managed to find the supposed answer to this located here (http://discussions.apple.com/thread.jspa?threadID=2583845&tstart=135), so I am now fully decided that I want to rollback the OS to 4.0.2 and be content without the HDR or Game Centre until a bug correction comes out.
The only thing is, rolling back to 4.0.2 seems quite complicated, and it seems as though Ill have to jailbreak the phone in order for it to be done, which Im determined not to do with this phone.
Can anyone advise me on how best to safely (within the warranty) rollback the phone? Could an Apple Store do this for me as well?
IPhone 4 iOS 4
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