Quote Originally Posted by TCIII View Post
Just for the ones having trouble with the TTN staying activated....I did what post 10 said and it stayed ....( thru 6/11/2023)....you guys might try it....It worked for me on a 680
Tried it with Nuvi 660
FW 4.9, GTM 20, FW 5.5

TTN subscription would not stay activated for more than a couple of minutes.