How To Update Your PSP TO 6.61 Official Firmware in 2021 - YouTube
JondoComputing: Liberar PSP E1004 v6.60
How to Update Your PSP Firmware
Got this baby. System version is 6.39. Never been hacked. What should I do to hack it? 6.60 or 6.61? Confirmation button is O. Can I switch it to X with Infinity