Bought a used Roamio today and went to activate it and the service number starts with 8F0 and from what I can tell it should start with 848 or 840. It also is running beta software. When I tried to activate it I got a message that it was already activated, which I kind of expected being it was used. If I go into system info it says it is a Premier and not a Roamio. Is there anyway to get it off the beta software?