help with c550 and quake 1

[Guest dragontm]

hi i have tryed and tryed to play quake 1 on my spv c550 but everytime i try to play i get this error message

Error

You must have the registered version to use modified games

i have tryed to unlock my phone and think i done this correctly and with that message it looks like i need it to be back locked which i have'd tryed but cant get it to work please help

thanks

clive

[Guest muff]

this message is to do with the datafiles from the game, not the unlocking of the phone