all psps up to 3.50 can now be downgraded with the LUMINES UMD, kc meron hack na naeexploit sa LUMINES game that allows homebrew to be run on a PSP kahit official ang firmwire(not CUSTOM like 3.03OEC), HEN D kc ang unang kailangan to DG a PSP and it can be run using the LUMINED UMD, kanina nakakita ako P3500 ung price kahit na old game na sya na dapat P1500 na lang, alam kc nung nagtitinda ang value ng game na un, try mo maghanap ng info sa pinoypsp or psp-hacks.com