you will need linux.
as to people asking this for 4.20 that will never happen unless some keys are found... of course you can dump the nand on 4.20 using a flasher, but what then? XD
have fun everyone
and don't go bricking this with this tools that do everything for you, just make sure what you are doing is correct, the tools do the rest.
<eussNL> judge: ´so why did you torrent 5 million AVI of women moaning´
<eussNL> <TizzyT> i dont judge if it sounds good i listen