Category: AT&T Galaxy S2

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How to Unroot AT&T Galaxy S2! [SGH-i777]

If for some reason you need to return your AT&T Galaxy S2 back to the store for warranty or you just itch to get back to a completely stock phone, you can unroot/unbrick your phone using methods outlined here, which will completely unroot your phone with stock ROM.

Step 1. Plug in your microUSB cable to your AT&T Galaxy S2 to your computer.  Then hold down Volume Up, Volume Down, and Power button together.

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How to Install Kernel on Galaxy S2!

What is a kernel a lot of people ask me who are new to Galaxy S2 and Android smartphones.  Kernel is basically the underlying layer that runs your whole operating system, think of it as “MS-DOS” that runs on Windows.

By installing a custom kernel, you can make your phone do more things like overclocking, custom boot animations, and more.  A lot of times, you can install(flash) a new kernel on your stock ROM or custom ROM although sometimes some kernels may not be compatible with the ROM you are running on.