error: modem has no firmware capabilities

[poma]

Hello

# mmcli --version | head -2

mmcli 1.6.4

# mmcli -v -m 0 --firmware-list
[30 Mar 2017, 18:56:51] [Debug] ModemManager process found at ':1.4'
[30 Mar 2017, 18:56:51] [Debug] Assuming '0' is the modem index
[30 Mar 2017, 18:56:51] [Debug] Modem found at '/org/freedesktop/ModemManager1/Modem/0'

error: modem has no firmware capabilities

Did I understand correctly,
option "--firmware-select=ID" is not intended for installation in the form of files?