EM7411 "disabled" after install

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lpr600
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EM7411 "disabled" after install

Post by lpr600 »

I recently replaced an EM7455 with an EM7411 that I purchased here. I swapped the SIM, which is activated with Verizon, into the new 7411. Once it was installed and we tried to use it it's showing "disabled" for its status:

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 --------------------------------
  General  |            dbus path: /org/freedesktop/ModemManager1/Modem/0
           |            device id: 979684a51ff6bad5dc6266287dd576ab494966ba
  --------------------------------
  Hardware |         manufacturer: Sierra Wireless, Incorporated
           |                model: EM7411
           |    firmware revision: SWI9X50C_01.14.03.00 b06bd3 jenkins 2020/09/23 10:53:35
           |       carrier config: default
           |         h/w revision: 0.3
           |            supported: gsm-umts, lte
           |              current: gsm-umts, lte
           |         equipment id:
  --------------------------------
  System   |               device: /sys/devices/pci0000:00/0000:00:14.0/usb1/1-12
           |              drivers: qcserial, qmi_wwan
           |               plugin: Sierra
           |         primary port: cdc-wdm0
           |                ports: cdc-wdm0 (qmi), ttyUSB0 (qcdm), ttyUSB2 (at), wwan0 (net), 
           |                       ttyUSB1 (gps)
  --------------------------------
  Numbers  |                  own:
  --------------------------------
  Status   |                 lock: sim-pin2
           |       unlock retries: sim-pin (3), sim-puk (10), sim-pin2 (3), sim-puk2 (10)
           |                state: disabled
           |          power state: on
           |       signal quality: 0% (cached)
  --------------------------------
  Modes    |            supported: allowed: 3g; preferred: none
           |                       allowed: 4g; preferred: none
           |                       allowed: 3g, 4g; preferred: 3g
           |                       allowed: 3g, 4g; preferred: 4g
           |              current: allowed: 2g, 3g, 4g; preferred: 4g
  --------------------------------
  Bands    |            supported: utran-4, utran-6, utran-5, utran-2, eutran-2, eutran-4, 
           |                       eutran-5, eutran-7, eutran-12, eutran-13, eutran-14, eutran-25, 
           |                       eutran-26, eutran-41, eutran-42, eutran-43, eutran-48, eutran-66, 
           |                       eutran-71
           |              current: utran-4, utran-6, utran-5, utran-2, eutran-2, eutran-4, 
           |                       eutran-5, eutran-7, eutran-12, eutran-13, eutran-14, eutran-25, 
           |                       eutran-26, eutran-41, eutran-42, eutran-43, eutran-48, eutran-66, 
           |                       eutran-71
  --------------------------------
  IP       |            supported: ipv4, ipv6, ipv4v6
  --------------------------------
  3GPP     |                 imei:
  --------------------------------
  3GPP EPS | ue mode of operation: csps-2
  --------------------------------
  SIM      |            dbus path: /org/freedesktop/ModemManager1/SIM/0
This is on Ubuntu. We tried 'nmcli r wwan on' as well as at!pcinfo? but no issues there:

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State: Online
LPM voters - Temp:0, Volt:0, User:0, W_DISABLE:0, IMSWITCH:0, BIOS:0, LWM2M:0, OMADM:0, FOTA:0, RFCAL:0
LPM persistence - None
We checked with Verizon and it's showing up as active in their system. They see the new IMEI, too.

Is there an 'enable' command we're missing?

Thanks!
lpr600
Posts: 14
Joined: Sun Jan 03, 2021 4:08 am
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Re: EM7411 "disabled" after install

Post by lpr600 »

Solved my own problem after much research..

The new modem has to be enabled like this:

sudo mmcli -m 0 -e

In this case my modem is 0, from 'mmcli -L'

mmcli is the commandline version of ModemManager since we're using Ubuntu Server.
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