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I inserted a sim card in the sim card slot of my laptop and was expecting the mobile broadband option to appear on the system menu, but it doesn't. I have a Fibocom L860 and WWAN is also enabled via bios so I'm thinking that it should work. As far as I know, Fibocom L860 should be supported in Ubuntu.

I checked by running mmcli -L on the terminal and it says that there were no modems found. I also tried to run sudo modem-manager.mmcli -L, but I keep getting error: couldn't get bus: Could not connect: Permission denied. I tried installing a modem manager gui, but it's still not able to recognize my sim card.

I tried solving my problem using this solution but there's no CD/DVD drive option appearing, so I couldn't proceed with it.

I am not sure why this problem is happening. Is there a way to check if the problem is with the sim card, the sim card slot, or anything else?

Edit: I switched the OS to Windows to check if it was a hardware problem, but my sim card was easily recognized and I was able to use it to access the internet.

Switching back to Ubuntu, I entered nm-connection-editor on the terminal and added a mobile broadband connection for my sim card. I also tried running mobile broadband by entering sudo service mobile-broadband-connection start, but I still cannot access the Internet, and mobile broadband option still isn't appearing in the system menu either.

What could be causing this problem?

xjm
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2 Answers2

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i tried generating an automated test and mobile broadband is missing some modules. seems like it's not yet fully supported.

xjm
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I had the same problem as yours and managed to get it working using the following command:

sudo usb_modeswitch -v 0x03f0 -p 0x9d1d -u3 (change the 03f0 and 9d1d to the ID displayed for the device when you run lsusb)

If this is successful, then mobile broadband will show up in the system menu.

Kevin Bowen
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user1116402
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