Originally Posted by xplodbleu
Short how to:
1. JB your PS3 with PSGroove v1.1.
2. Keep your Dongle in the PS3! Do not remove it!
2. Plug in your USB Device with JaiC_USB_FIRM_LOADER_0v2.pkg on root.
2. Install JaiC_USB_FIRM_LOADER_0v2.pkg.
3. Start ps3-ftp-server.
4. Start an ftp client on your PC and connect to PS3.
5. Copy contents
from dev_flash directly to the root of your usb device.
6. Exit FTP client on PS3.
7. Plugin your usb device with the contents of dev_flash on root.
8. Start USB FIRM LOADER.
9. Your PS3 will reboot to XMB.
10. You have successfully loaded dev_flash from USB!