I used the method of swap, link of the method is here:
model: BC 20G launch model
CFW: 3.55 Kmeaw
original disc: God of War 2
games work:
DIRGE of CERBERUS FF VII
shinobu takumi
other two games
games do not work:
Shin Onimusha DAWN OF DREAMS (freeze when enter the menu in game)
Star Ocean...