OK, what does 6.20 have that the 6.35 doesn't have and vise-versa.
and is there a way we can rip the firmware and add all the good ones into one fimware eboot?
If it CAN be done we all be flashing the custom firmwares directly. Without using the exploits and the firmwares would be permanent on the psp even after shutdown for all psp models.
Just let us all wish that it happens =D
Soo that means it is not possible at the moment.
Main cause is the pre ipl