Read all about it: GSM Migration updates for Tello customers who want to know it all
Tello Mobile has switched to GSM. It’s a big deal. Our fantastically affordable phone plans stayed the same and new cool features were added. Things like Wi-Fi Calling, full VoLTE support, 5G, international calls included for free in any Tello phone plan with minutes are just a few of the good things that were added to our services these past few months. Updates on the GSM migration process, coming right up!