kimentek

rambojunior@ThinkPad-T470s:~$ systemctl status ModemManager.service --no-pager -l
● ModemManager.service - Modem Manager
     Loaded: loaded (/lib/systemd/system/ModemManager.service; enabled; vendor preset: enabled)
     Active: active (running) since Fri 2022-09-16 13:24:15 CEST; 7min ago
   Main PID: 1201 (ModemManager)
      Tasks: 5 (limit: 18919)
     Memory: 11.7M
        CPU: 148ms
     CGroup: /system.slice/ModemManager.service
             ├─1201 /usr/sbin/ModemManager
             └─1415 /usr/libexec/mbim-proxy

Sep 16 13:24:22 ThinkPad-T470s ModemManager[1201]: <warn>  [modem0/sim0] couldn't load list of preferred networks: No AT port available to run command
Sep 16 13:24:22 ThinkPad-T470s ModemManager[1201]: <warn>  [modem0] couldn't load UE mode of operation for EPS: No AT port available to run command
Sep 16 13:24:22 ThinkPad-T470s ModemManager[1201]: <warn>  [modem0] couldn't load initial EPS bearer settings: LTE attach status info is unsupported
Sep 16 13:24:22 ThinkPad-T470s ModemManager[1201]: <warn>  [modem0] couldn't open ports during Modem SIM hot swap enabling: Couldn't get primary port
Sep 16 13:24:22 ThinkPad-T470s ModemManager[1201]: <info>  [modem0] state changed (unknown -> disabled)
Sep 16 13:24:22 ThinkPad-T470s ModemManager[1201]: <info>  [modem0] state changed (disabled -> enabling)
Sep 16 13:24:22 ThinkPad-T470s ModemManager[1201]: <warn>  [modem0] Failure
Sep 16 13:24:22 ThinkPad-T470s ModemManager[1201]: <warn>  [modem0] Failure
Sep 16 13:24:22 ThinkPad-T470s ModemManager[1201]: <warn>  [modem0] couldn't enable interface: 'Invalid transition'
Sep 16 13:24:22 ThinkPad-T470s ModemManager[1201]: <info>  [modem0] state changed (enabling -> disabled)

rambojunior@ThinkPad-T470s:~$ mmcli -L
    /org/freedesktop/ModemManager1/Modem/0 [Sierra Wireless, Incorporated] Sierra Wireless EM7455 Qualcomm Snapdragon X7 LTE-A

rambojunior@ThinkPad-T470s:~$ mmcli -m 0
  -----------------------------
  General  |              path: /org/freedesktop/ModemManager1/Modem/0
           |         device id: c39ed6309e4e10295556503ba79f05f09a91c3ba
  -----------------------------
  Hardware |      manufacturer: Sierra Wireless, Incorporated
           |             model: Sierra Wireless EM7455 Qualcomm Snapdragon X7 LTE-A
           | firmware revision: SWI9X30C_02.24.03.00
           |    carrier config: default
           |      h/w revision: EM7455
           |         supported: gsm-umts, lte
           |           current: gsm-umts, lte
           |      equipment id: 014582006434212
  -----------------------------
  System   |            device: /sys/devices/pci0000:00/0000:00:14.0/usb1/1-6
           |           drivers: cdc_mbim
           |            plugin: sierra
           |      primary port: cdc-wdm1
           |             ports: cdc-wdm1 (mbim), wwan0 (net)
  -----------------------------
  -----------------------------
  Status   |    unlock retries: sim-pin2 (3)
           |             state: disabled
           |       power state: low
           |    signal quality: 0% (cached)
  -----------------------------
  Modes    |         supported: allowed: 3g; preferred: none
           |                    allowed: 4g; preferred: none
           |                    allowed: 3g, 4g; preferred: 4g
           |                    allowed: 3g, 4g; preferred: 3g
           |           current: allowed: 3g, 4g; preferred: 4g
  -----------------------------
  Bands    |         supported: utran-1, utran-3, utran-4, utran-5, utran-8, utran-2,
           |                    eutran-1, eutran-2, eutran-3, eutran-4, eutran-5, eutran-7, eutran-8,
           |                    eutran-12, eutran-13, eutran-20, eutran-25, eutran-26, eutran-41
           |           current: utran-1, utran-3, utran-4, utran-5, utran-8, utran-2,
           |                    eutran-1, eutran-2, eutran-3, eutran-4, eutran-5, eutran-7, eutran-8,
           |                    eutran-12, eutran-13, eutran-20, eutran-25, eutran-26, eutran-41
  -----------------------------
  IP       |         supported: ipv4, ipv6, ipv4v6
  -----------------------------
  3GPP     |              imei:
           |     enabled locks: fixed-dialing
  -----------------------------
  SIM      |  primary sim path: /org/freedesktop/ModemManager1/SIM/0