device {
  device_id: "device-id"
  default_main_firmware_version: "10.20.30.40"

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

  main_firmware {
    filename: "NAND_10.20.30.45.fls"
    version: "10.20.30.45"
  }

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

  carrier_firmware {
    filename: "Custom_B_50_60.fls"
    carrier_id: "CarrierB"
    version: "50.60.70.80"
    main_firmware_version: "10.20.30.45"
  }
}