Trying to upgrade from 5.50 GEN-D3 CFW to 6.60 OFW. "The system software of your PSP system is version 9.90. There is No need to update." What can i do to fiks
Update PSP Custom Firmware 5.50GEN D to CFW 5.50GEN D2 - YouTube
How to Install Custom Firmware (CFW) on PSP 1000 and PSP 2000
Trying to upgrade from 5.50 GEN-D3 CFW to 6.60 OFW. "The system software of your PSP system is version 9.90. There is No need to update." What can i do to fiks this? : r/PSP