راستی اینو حتماً بخونین
روش گرفتن backup از باطری
ترجمه اش آسونه
If you only have one battery and want to unbrick your PSP, you can.
1) Convert your battery into a jigkick one using "Pandora's Battery Creator", but before you press X, press TRIANGLE to backup your battery's EEPROM to...