Cell modem - Printable Version

Cell modem - Printable Version

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Cell modem - mmd604 - 09-19-2021

I am having a problem with cell modem. No WWAN adapter found is what I see in setting + mobile. When I run mmcli -m O in terminal I get error: couldnt find modem and mmcli _L reveals No modems were found. Any help would be appreciated

RE: Cell modem - bcnaz - 09-19-2021

Do you have a sim card installed ? I think one is necessary, it can be expired or un-activated.

RE: Cell modem - zetabeta - 09-20-2021

as a start, command "lsusb" in a console, you should see something like this...

Code:
mobian@mobian:~$ lsusb 

Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

Bus 002 Device 009: ID 2c7c:0125 Quectel Wireless Solutions Co., Ltd. EC25 LTE modem

Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

mobian@mobian:~$

there should be quectel modem.

RE: Cell modem - mmd604 - 09-20-2021

(09-20-2021, 02:02 AM)zetabeta Wrote: as a start, command "lsusb" in a console, you should see something like this...

Code:
mobian@mobian:~$ lsusb Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 002 Device 009: ID 2c7c:0125 Quectel Wireless Solutions Co., Ltd. EC25 LTE modem Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub mobian@mobian:~$

there should be quectel modem.

Thats exactly what I see when I run lsusb. Can you advise on any other commands or fixes. My next move is to install a fresh OS on a SD and boot from that. If I see the cell modem and it works I know its on the software end.

(09-19-2021, 11:01 PM)bcnaz Wrote: Do you have a sim card installed ? I think one is necessary, it can be expired or un-activated.

Yes I have a sim installed. I tried a new one just cause and still nothing

RE: Cell modem - ragreenburg - 09-20-2021

(09-20-2021, 04:01 PM)mmd604 Wrote:
(09-20-2021, 02:02 AM)zetabeta Wrote: as a start, command "lsusb" in a console, you should see something like this...

Code:
mobian@mobian:~$ lsusb Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 002 Device 009: ID 2c7c:0125 Quectel Wireless Solutions Co., Ltd. EC25 LTE modem Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub mobian@mobian:~$

there should be quectel modem.

Thats exactly what I see when I run lsusb. Can you advise on any other commands or fixes. My next move is to install a fresh OS on a SD and boot from that. If I see the cell modem and it works I know its on the software end.

(09-19-2021, 11:01 PM)bcnaz Wrote: Do you have a sim card installed ? I think one is necessary, it can be expired or un-activated.

Yes I have a sim installed. I tried a new one just cause and still nothing

Maybe a dumb question, but is your hardware kill switch active?

RE: Cell modem - mmd604 - 09-20-2021

(09-20-2021, 04:28 PM)ragreenburg Wrote:
(09-20-2021, 04:01 PM)mmd604 Wrote:
(09-20-2021, 02:02 AM)zetabeta Wrote: as a start, command "lsusb" in a console, you should see something like this...

Code:
mobian@mobian:~$ lsusb Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 002 Device 009: ID 2c7c:0125 Quectel Wireless Solutions Co., Ltd. EC25 LTE modem Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub mobian@mobian:~$

there should be quectel modem.

Thats exactly what I see when I run lsusb. Can you advise on any other commands or fixes. My next move is to install a fresh OS on a SD and boot from that. If I see the cell modem and it works I know its on the software end.

(09-19-2021, 11:01 PM)bcnaz Wrote: Do you have a sim card installed ? I think one is necessary, it can be expired or un-activated.

Yes I have a sim installed. I tried a new one just cause and still nothing
Maybe a dumb question, but is your hardware kill switch active?

The switch is on the on postion. Also no mobile config option in the settings app

RE: Cell modem - bcnaz - 09-20-2021

Have you tried different releases ?

Not every Nightly release works "Out of the Box"

But Most Nightly releases do work... at least for me.

Nightly September 19, 20 appear to have some faults with calls, I am downloading Sept. 21 at the moment.

RE: Cell modem - mmd604 - 09-21-2021

(09-20-2021, 11:52 PM)bcnaz Wrote: Have you tried different releases ?

Not every Nightly release works "Out of the Box"

But Most Nightly releases do work... at least for me.

Nightly September 19, 20 appear to have some faults with calls, I am downloading Sept. 21 at the moment.

No i will try another release

Update I tried a new release and the cell modem worked

RE: Cell modem - bcnaz - 09-21-2021

Great to hear !

RE: Cell modem - calinb - 10-01-2021

Something in a Bookworm upgrade just broke my cellular modem. It's not there anymore. Cold reboot and even battery removal does not bring it back. I booted to the old Mobian on the Megous multi boot and it worked fine.

I've found a method to restore the modem after every Bookworm boot, but it's a PITA:

1. I run Modem Manager GUI. It detects the modem and, after I activate it with my cellular carrier using the "Activate" button, I can place calls.

However, there is no signal strength / mobile icon in the the top status bar and the "Settings" ap does not have a "Mobile" entry / button so no mobile network management features are available.

2. To make everything work again,

Code:
sudo systemctl restart phosh.service

does the trick!