I made progress on this, so no need for any responses. I managed to reset the Master PIN so I am 'in' as they say. fyi I had setup a user with all the correct rights when I reset the system 10 years ago (just forgot!)
Hi
I have an old Galaxy G2 setup that is serviceable. It is the usual story, installed by ADT by last house owner and when I moved in I didnt want to pay the decomissioning fee - I therefore managed to reset the engineer code and disconnect telephone etc so it is stand alone. I did this 10 years...