I upgraded to 275 put all my information and entered authentication with a donation number then went to the barber pole like everybody else going on 25% of the way. The other fun thing the unit will shut off with a remote control, but it won't start with the remote control, I have to unplug the power plug it back in. I think it worked the first time I shut it off and then I started again with the remote control. The 275 replaced at 254 we put the numbers in the authentication Coming up with error. 275 like the donation numbers, but will load now. I see other people of the same problem, what I don't see as an answer.