edit at least the apn in the configuration file (replace ini.sample):
cp xmm7360.ini.sample xmm7360.ini
sudo python3 rpc/open_xdatachannel.py
sudo ip link set wwan0 up
If it works... I highly recommend scrolling down on the instructions and installing with DKMS so that you do not need to reinstall everytime the kernel upgrades.
Otherwise - you can lock in your kernel so that it does not upgrade, preventing the need for DKMS: