Restarting the applet does nothing; if the logic got stuck somewhere, you much better killall -9 modem-manager and/or restart NetworkManager directly; that should be equivalent to a reboot.
Also, please attach ModemManager debug logs as per: https://wiki.ubuntu.com/DebuggingModemmanager
And please test with latest package (from the PPA) as suggested by Marius, we fixed some critical issue in Huawei modems a couple of weeks ago.
Restarting the applet does nothing; if the logic got stuck somewhere, you much better killall -9 modem-manager and/or restart NetworkManager directly; that should be equivalent to a reboot.
Also, please attach ModemManager debug logs as per: /wiki.ubuntu. com/DebuggingMo demmanager
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And please test with latest package (from the PPA) as suggested by Marius, we fixed some critical issue in Huawei modems a couple of weeks ago.