Help with LE46C530

[spuzrvsg]

I have an old LC46C530F1W.. tv. I think it has MStar. i have turned on Debug mode for the RS232 jack and disabled watchdog.

im not sure if it has a security patched firmware. please give me info about this. this is the first 2 lines in service menu:
T-MSX5DEUC-2011.0
T-MSX5DEUS-1001
if my firmware is patched, ill follow the steps in this link: https://wiki.samygo.tv/index.php?title= ... ojan_Horse

then i will follow the steps in this link: https://wiki.samygo.tv/index.php?title= ... es_models)


am i doing everything right? how can i avoid brick?