I want to update my AT&T Samsung Galaxy S II Skyrocket SGH-i727 (it's currently unlocked) to 4.2.2 but I'm a total noob on this. Besides my SG2 is not working properly so I want to get a ROM for it but I want it to work smoother. I want the root because I want more access to my SG2... Can anyone help me out here? What is the best ROM? How do I install a ROM? How do I install the 4.2.2? How do I root my SG2?
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