Disclaimer: Please note that advice on this site may be out of date or just plain wrong. Please proceed carefully and if in doubt see the official Sony instructions.
ENABLING FLASH (this is only needed on PSPs older than Slim and Lite versions)
Assuming that
your PSP already has System Software version 2.70 or later, you will need
to enable Flash. That is, you need to go online with your PSP and
tell Macromedia (Adobe) that you want to use Flash. |