Originally Posted by Nicolas19
Using Their F
ng method For Upgrade to 2.5:
1. Press on JB-King upgrade switch and plug in main USB interface. Open “Upgrade.exe” and upgrade “updrade2.5.dfu". Then pull out JB-King and close “Upgrade.exe”
2. Do not press on JB-King power switch. Plug it into PC. After about 5-8 seconds, pull out JB-King.
3. Press on JB-King upgrade switch power again, and plug it into USB interface. Open “Upgrade.exe” and upgrade “S_2.5.dfu”. The process will last for a longer time, please be patient!
4. If you get tips as follows, congratulation! You upgrade successfully.
for download 2.5 PACKAGE see here
it works only for 2.5 ,, 2.7 make it unusable(ps3 doesnt boot ) ,, what the **** is wrong with this peace of ****