Thank ye @coderus. But might I press to be borne with little further (remember, I'm a painful noob ATM. But not for long)...
So,
>how to unpack modules
>how to run depmode
>to flash kernel, presumin' I need to use a code on flasher 3.12.1 (correct me if I'm wrong) while connectin' phone (should I switch it off first), what is the command?

I did read the whole thread and several others but all the talk is already at a level much above where I'm at. I wanna climb up to a comfortable base to be able to understand the mighty contributions here.

So, again I say, simple-to-understand steps, I pray.