Mobile Data, KDE Community Edition and pinephone-modem-setup
#1
Greetings !

I've been investigating why mobile data did not work on my Pinephone (an untampered KDE CE one).

The APN settings UI is currently broken, since the last update... but prior to that, I was able to check that the APN settings had been automatically set, and were valid. I would be interested in knowing how to change those settings manually, as there doesn't seem to be much documentation on that for Plasma Mobile.

The command `ip link show` lists three interfaces. The third one is called `wwan0` and I assume it's the one mobile data should be using. It's always down though, and enabling/disabling mobile data in Plasma's UI doesn't change anything to that interface.

Investigating further, I noticed that `pinephone-modem-scripts.pinephone-modem-setup` had an issue at boot.
`systemctl status pinephone-modem-scripts.pinephone-modem-setup` shows that the process exited with status 1.

I then found the scripts in /usr/sbin: pinephone-modem-start.sh, pinephone-model-stopl.sh, pinephone-modem-setup.sh, and pinephone-modem-setup-ofono.sh.

The setup script exits with status -1 and doesn't display anything on screen.
The start script and stop script exit with success status, and report that they "Enable/Disable EG25 WWAN module".
The ofono setup indefinitely looks for a /dev/EG25 file that does not exist.

That's about as far as I got. I'm not even sure I'm looking in the right direction, but I'm thinking maybe someone here knows better !
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#2
(02-15-2021, 09:13 PM)plaristote Wrote: Greetings !

I've been investigating why mobile data did not work on my Pinephone (an untampered KDE CE one).

The APN settings UI is currently broken, since the last update... but prior to that, I was able to check that the APN settings had been automatically set, and were valid. I would be interested in knowing how to change those settings manually, as there doesn't seem to be much documentation on that for Plasma Mobile.

The command `ip link show` lists three interfaces. The third one is called `wwan0` and I assume it's the one mobile data should be using. It's always down though, and enabling/disabling mobile data in Plasma's UI doesn't change anything to that interface.

Investigating further, I noticed that `pinephone-modem-scripts.pinephone-modem-setup` had an issue at boot.
`systemctl status pinephone-modem-scripts.pinephone-modem-setup` shows that the process exited with status 1.

I then found the scripts in /usr/sbin: pinephone-modem-start.sh, pinephone-model-stopl.sh, pinephone-modem-setup.sh, and pinephone-modem-setup-ofono.sh.

The setup script exits with status -1 and doesn't display anything on screen.
The start script and stop script exit with success status, and report that they "Enable/Disable EG25 WWAN module".
The ofono setup indefinitely looks for a /dev/EG25 file that does not exist.

That's about as far as I got. I'm not even sure I'm looking in the right direction, but I'm thinking maybe someone here knows better !
After spending a couple of days trying to figure out the same thing you are I just gave up. Plasma is just too buggy for me. I will try it again after it matures. Mobian is my daily driver.
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