I bought another PSP 1000 and it has version 1.0, i want to upgrade the firmware to the newest CFW , what should I do?
I did my other one but its has OFW ver 3.71 --> to CFW 5.00 M33-3 --> 5.00 M33-6(with the help of member of this site) but cant find thread with ver 1.0
thanks






. Now I got the update 1.5 but when Im trying to update it, it said that the battery is too low but its 100% charge when I check the battery info the data was empty its says on power source - external...why? help help help 
