IF YOU HAVE NOT YET INSTALLED PSP FIRMWARE UPDATE 6.20 AND YOUR PSP CAN ACCESS THE INTERNET WIRELESSLY: If you have not yet installed the PSP 6.20 update Action Replay can be easily updated by downloading the latest Action Replay PSP firmware from using the PSP’s web browser, it will then be able to install itself. If you have already installed PSP firmware update 6.20 and you now find that Action Replay PSP won’t load you will need to follow some slightly different steps.Carefully follow the instructions below that apply to you: PSP firmware update 6.20, released in November 2009 requires an updated Action Replay PSP firmware.
Some PSP firmware updates will require Action Replay PSP’s firmware to be updated otherwise Action Replay PSP may stop working.
