pspcustomfirmware.com presents you with PSP Custom Firmware Enabler 3.70 for PSP 2000 and PSP 3000 . PSP Custom Firmware Enabler 3.70 was release to the homebrew community . Xenogears and becus25 are the developer behind this psp homebrew application called Custom Firmware Enabler 3.70 .br br Custom Firmware Enabler 3.