Instructions:

ONLY for fw 3.03 (by now, in the future it will also be possible for more advanced fw's)

Copy the contents of MS_ROOT inside your Memory Stick Root and execute the flashbackup from Games-Memory Stick, and follow the instructions to make a flash0 backup, dummy your jpn0.pgf file and/or execute directly the flasher.

- Caution! -

Don't delete the _SCE_1 folder inside of GAME150 (shows on the XMB as corrupted data), as it's the base of the XMB work.

Disclaimer of Responsability:

The author(s) deny all responsability concerning to problems with your PSP flashing proccess; it's your responsibility to decide to flash this app into your PSP. This has been tested, and it works without a problem if you follow the instructions upwards explained.

Have fun.