Originally posted by another user
1. Install Certificate_Installer.pkg and dev_flash.pkg onto your PS3.
2. Run dev_flash on your PS3 and when prompt to mount, click yes.
3. Run the Certificate_Installer on your PS3.
4. Run CMD and type ipconfig in CMD to get your computers IP address.
5. On your PS3's Network Settings Make Your Primary DNS and Secondary DNS both your computers IP address.
6. On your PC run Firmware Bypasser and give it about 10 seconds to set up.
7. Reboot your PS3(Required)
8. Sign In and enjoy
Tut Made by Alfa
Note: Firmware Bypasser must be Active whenever you want to be online!