Installing a custom ROM pretty much obliterates it. There are a few methods for downgrading your phone back to stock, and though they're not simple, CNET TV has a How To do that, too. The custom ROM ...
Install Android 4.2.2 Jelly Bean Update on Galaxy S2 I9100 via SuperNexus 2.0 Build 3 ROM [Tutorial]
There is more good news for Galaxy S2 I9100 users, as they can now enjoy yet another Android 4.2.2 custom Jelly Bean update via SuperNexus 2.0 Build 3 ROM. The custom ROM brings pure (stock) Android ...
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