I have a factory unlocked iPhone 4. Can I upgrade to iOS 6?

I don't want to try and get iOS 6 if it's gonna mess up my phone, but I do want to know if it's possible.

No, its not possible officially. However, if you have factory unlocked it then somehow I think you can install ios6, but remember it is an unofficial method.

I don't see why not.

Oh Yes, why not.
1. First make sure that you are connected to ''Wi-Fi''.
2 Then from ''Setting'' Menu, select ''General'' and then select ''Software update''

The system will detect the new version iOS 6 automatically and give you an optional tab to download that. Just press ''Download'' and here you go. It might take 30 mins to complete the process.

By the way this wireless update only works if you have iOS 5 already installed on your mobile, otherwise you need to get this done by connecting to iTunes with USB cable.
Hope that helps.

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