Try doing a factory reset on the TR3200M and leaving it disconnected for 24 hours. Perhaps it's not getting a prefix because there is an outstanding lease. Telus will only allocate one prefix per MAC.
Telus has two suppliers for NAH and WiFi 6 Booster, Arcadyan and Technicolor. The devices are similar, but not exactly the same. In particular, they have different software. They are barely okay for an average user, but if you're used to a more comme...
I haven't had a T3200M for a long time, but it does support IPv6. Did you check the settings to be sure it's enabled? How are you testing to see if it's supported or not?