Getting a similar compatibility sim issue with Cricket. Does this mean Brax 3 phone is not compatible with Cricket Wireless? Is there anyway to resolve this issue. Error text from Cricket "This device is not compatible with Cricket Network. A compatible HD voice is required. To avoid service interruptions or potential reactivation fees, please immediately switch your SIM back to an HD Voice device that is compatible with the Cricket network. Questions? Visit 3G Network Shutdown | Great Big Network | Cricket Wireless "
This is the compatibility list of Brax 3, apparently, Braxtech is working with ATT and other carriers to update this phone to the carriers.