okay my japanese psp is semi-briked and im not to sure what version it is. it was 1.50 but it got upgraded using GTA(US) and since then i cant use the XMB menu
but i can still play games. i had previously had installed a custom eboot and psp theme. i tried to downgrade using 2.0/2.01 Easy Downgrader but when i do i get:
"Attemting to gain flash access...
Failed toassign flash2 device: 8001000D
Press a key to exit. No changes were made."