There are some scenarios where the modem won't come up with generic firmware settings i.e default network ("other" from VCO UI). Ideally, each network carrier comes up with a set of configuration parameters (firmware plus carrier configuration pairs).
So, we should set the Image management preference as per the carrier.
Methods to Change the Carrier Firmware preference
Selecting the carrier firmware from VCO UI:-
Changing the Carrier Firmware preference from the CLI