Hi

my younger brother decided to update the PS3 yesterday
i have been searching all day and the only solution i can find to downgrading it is to use the e3 Flasher

i was wondering if i could possibly use a progskeet or teensy++ to do the downgrading as i can get hold of them much easier and cheaper

i dont mind about the soldering as i have a good steady hand with the iron.

if it is possible to do it with a teensy++ or progskeet does anyone mind giving me instructions on how i would go about downgrading

Thank you in advance for any help

and incase you want to know
PS3 slim 250GB CECH-2003B

any other info, just ask