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So I have Samsung Galaxy SII Plus(Gt-I9105P)
It has Stock android 4.1.2.(rooted).
I wanted to flash Cynogen Mode 11 M12
To do that, they say that i need to flash boot loader 4.2.2.
link
What is it? I installed CWM when I rooted. Is that enough? Should I install Android 4.2.2. before I install CM?

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When you start your phone up you probably see a Samsung logo and an android logo... Basically, The system that opens this up is called the boot loader and you need to unlock it to gain root access... This allows you to edit system files.

See http://www.all-things-android.com/content/understanding-android-file-hierarchy

It will help you understand what exactly root is. CM needs to unlock your bootloader because it needs to modify android files at the core of your phone.

Hope this helps, Rahul

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  • Thx @rahul. Got the general idea. So, should i install 4.2.2 before i install 4.4.4? Does boot loader comes with os(android)? Should i install the boot loader alone?
    – Jacob Thazhath
    Feb 8, 2015 at 20:32
  • No bootloader and OS are completely different things and should have no problem in skipping any version if you want and your device support it
    – Freedo
    Feb 9, 2015 at 3:09
  • @freedom, so what should I do to update to KK?
    – Jacob Thazhath
    Feb 9, 2015 at 6:11
  • Flash their bootloader if that's necessary then flash the 4.4 system image for your device that you should have...if you don't know how to flash then go to xda you'll probably use odin for that
    – Freedo
    Feb 9, 2015 at 6:17
  • @freedom,got it... So i need to flah the bootloader(only boot loader) and then 4.4 .. Thx
    – Jacob Thazhath
    Feb 9, 2015 at 11:21

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