I have a Teracube 2e. Since I upgraded from Android 10 to 11.0.4, Internet only works on WiFi.
When I’m not on WiFi, I see the 3G symbol instead of LTE, and my apps say they can’t connect to the Internet. I’m in Montreal QC where LTE is usually excellent.
My primary SIM is from Virgin Plus, which uses the Bell Canada network. I tried several different APN settings, but none of them worked.
I also have a second SIM, but I only used it when I’m in Europe. It’s from o2 Germany, and I disabled roaming with it.