I have a 6.20TN-D psp go, and trying to get it to 6.20 Pro B-9.
I tried using this
http://forums.dashhacks.com/f133/downgrading-from-firmware-6-3x-to-firmware-6-t296612/
didn't work and i tried installing 6.20 Pro B-9 straight and that also didnt work.
I want to update because there are some...