In the world of handheld gaming, the refused to go gentle into that good night. Even years after its successor (the PS Vita) launched, Sony surprised fans in 2015 by dropping Official Firmware (OFW) 6.61
Your PSP is now running PRO Custom Firmware. If you go back to System Information , the version will read: 6.61 PRO-C2 . pro update psp 6.61 download
The "6.61" designation is the key here. Sony’s final official firmware update for the PSP was version 6.61, released in January 2015. It was designed primarily to block hacks and improve "system security." The update overrides those blocks, giving you full kernel access on the newest official firmware. In the world of handheld gaming, the refused