E3372, works in tethering mode. It is call HILINK in Huawei’s terms.
Pls note, E3372 also use IP 192.168.8.1. So pls change your router’s lan IP to 192.168.10.1. Of course you can change E3372’s LAN IP instead.
You should just click “Connect” in the tethering section and it will work.