i just bought a black psp3000 @ RM899 c/w 8gb,plastic and screen proctector. current firmware are 5.03 gen c . i feel this firmware so troublesome.everytimes no battery/i off it completely/take out battery ...i have to activate the chichen and enable a software back only can play games.now i already registered psn.when i want login,it show that i need update my firmware/software?huh?why and what is this ?anyone can guide me ?btw,what is the maximum memory card size that psp can support?