ok well i had a 2.6 psp and i downgraded useing the gta downgrader to 1.5 now i got some questions i here about custom firmware is there really any plus to them and whats the difference between with a downgraded to 1.5 and also i heard that you should upgrade to 2.0 and then back to 1.5 if you used the gta downgrader any real reason for doing this thanks in advanced