Just a reminder note to people upgrading existing v3.1 and v3.2 OVMS to 4G:
You will need to install the v3.3 firmware (currently version 3.3.001) to support the new 4G modem option. That version is pre-installed on all new v3.3 kits, but not yet released to 'main' release level for everyone. The solution is to set the release level to 'edge', and you will see the v3.3 firmware available for install. You can set back to 'main' after install.