i have a psp firmware 1.5 proof of concept fimware. i recently put a custom xmb wave on it. forgeting i had a x-flash xmb wave i flashed it. And when i tried to reboot my psp it keeps freezing on the cold boot screen. i can still manage to get into the recovery mode. but i disabled the update feature with x-flash. is there any way i can fix this. every time i try to re-install the 1.5 firmware again my psp memory thing flashes for a few seconds and it shuts off please someone help.