Check modem:
mmcli -L
Check, if its unlocked:
mbimcli -p -d /dev/wwan0mbim0 --quectel-query-radio-state
Here is a thread, how to unlock the FCC lock in the modem: https://forums.quectel.com/t/em120r-gl-for-linux/9350/4
# Download network-manager, modem-manager, etc.,... sudo apt update sudo apt install network-manager network-manager-gnome modemmanager libqmi-utils gcc # Reference: https://gitlab.freedesktop.org/mobile-broadband/ModemManager/-/issues/402#note_1064882 mkdir ~/Downloads/lenovo/snap cd ~/Downloads/lenovo # Download the snap snap download lenovo-wwan-dpr --edge # Extract the snap files sudo mount -t squashfs -o ro lenovo-wwan-dpr_5.snap /home/$whoami/Downloads/lenovo/snap # Download script by Joar Wandborg wget https://gist.githubusercontent.com/joar/416f37fe81558f5be0d5131018eb7f2a/raw/b6a2a83620b044efc2d13aee86910743969218de/fcc-unlock.c # TODO: manually modify the define statements in fcc_unlock.c appropriately #define MBIM_DEVICE_PATH "/dev/wwan0p2MBIM" #define MBIM2SAR_SO_PATH "/home/jonfen/Downloads/lenovo/snap/usr/lib/mbim2sar.so" # Compile the script gcc -o fcc_unlock_v2 fcc_unlock.c # Run the script sudo env VERBOSE=1 ./fcc_unlock_v2 # Enable the modem mmcli -v --modem=0 -e
# Click "+" to setup the connection nm-connection-editor modem-manager-gui