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Get CM10.2 SGS2 Boost old version APK for Android
CM10.2 SGS2 बूस्ट
This apk contains a kernel for i9100,Galaxy S2 CM10.2 android 4.3.1(cyanogenmod.com), not compatible with any other firmware.
The kernel is modified according to spec.
Make sure CM10.2 is installed, before use this app.
It works fine with nes emulator, opera, etc.
It's smoother,faster than original Galaxy S2.
Kernel source locate at sf.net for GPL license.
Install cm10.1:
http://itekblog.com/install-cm10-1-for-galaxy-s2-i9100/
Use odin:
http://www.youtube.com/watch?v=lxwHr-VODiw
Recovery method:
Let S2 enter download mode(press power, volume down, home).
Use Odin to download official firmware.
After download, enter recovery mode(press power, volume up,home) and wipe out /cache,user data.