Requirements: br - A PSP with 3.52 M33-3 or higher. br br Instructions: br - Extract the UPDATE folder to PSPGAME on your memory stick. br - Obtain the 5.02 EBOOT and copy it to the UPDATE folder with the name '502.PBP'. br [This step is not required if you are already on a different 5.02 custom firmware] br - Run the updater and follow the instructions on the screen. br - The battery check can be bypassed by holding L + Triangle on launch. br - Enjoy 5.02 GEN-A. br br More information and download over at pspcustomfirmware.