Inreply to your questions • original issue decoder would not download class 73 profile. •sound doesn’t work • No it won't run • It does nothing • Yes Hornby select • Have not tried running on DCC • Hornby pre installed class 73 •Android Lenovo M10 software revision not sure • it is hard wired to track(soldered) what I was basically trying to as is what is the correct procedure for installing the the pre installed profile, as have not done this procedure before as have always done it from a fresh install. Thanks Paul