1. update with rogero 3.55 downgrader
2. download toggle qa and install it on the ps3 and start that
3. go to network setting press L1 L2 L3 DPAD Down R1 and R2 at the same time and u will see 3 new options like debug settings
4. update to rogero 3.55 v3.7
5. update to rebug
6. done
i hope u can understand this cause im german xD but if u have issues u can message me on skype : max12345678969
have a nice day