3.XX (and below) Custom Firmware Update Guide
This guide will help you if your PSP is currently running an old 3.XX (and below) Custom Firmware, like the 3.52 M33, 3.40 OE, 2.70 SE,...
If you are running 3.71 M33 or 3.90 M33, continue the PSP Custom Firmware Guide and try updating to 6.61 Official Firmware.
If you are running any Custom firmware below 3.71, for exemple 3.52 M33, 3.40 OE,... , you will most likely encounter one of the errors below:
"The game could not be started. (DADADADA)"
This error is due to the those old Custom Firmware protection against upgrade. The Custom Firmware is throwing this error to block Official Firmware updates.<
"The game could not be started. (DRNFFFFFxx)"
This error mean that the IDStorage of the console has corrupted key(s).
Fix the DRNFFFFFxx error guide
Old Custom Firmware Update Guide (with Ark new cIPL and DC-ARK)
Follow this guide to "easily" bypass any of the errors you could encounter when trying to update an old Custom Firmware.
Old Custom Firmware Update Guide (with Ark new cIPL and DC-ARK)