device {
  device_id: "device-id"

  main_firmware {
    filename: "NAND_10.20.30.40.fls"
    version: "10.20.30.40"
  }

  carrier_firmware {
    filename: "CarrierA_40.30.20.10.fls"
    carrier_id: "CarrierA"
    carrier_id: "CarrierB"
    version: "40.30.20.10"
  }
}