If you buy an E3372 today, it likely comes with firmware 22.333 (HiLink). If you try to use this with a Raspberry Pi or a travel router (like GL.iNet), it will fight you. The Pi will see it as a CD-ROM or an Ethernet adapter, but not a proper modem.
The device hosts a local web server accessible via the gateway IP (commonly 192.168.8.1). The default password is often admin . Accessing the WebUI allows users to send SMS, view data usage, and view signal strength metrics (RSRP, RSRQ, SINR) essential for antenna aiming. huawei e3372
Let’s break it down.
When you buy this modem, you are actually buying two different pieces of firmware disguised as the same product. If you buy an E3372 today, it likely comes with firmware 22
The Huawei E3372 has a massive following in the enthusiast community due to the ability to "cross-flash" firmware. The device hosts a local web server accessible
: 4G LTE (Cat 4) with download speeds up to 150 Mbps and upload speeds up to 50 Mbps .
: The modem acts as a router with its own internal web interface (usually at 192.168.8.1). It is recognized by computers as a network adapter (Ethernet/RNDIS), making it plug-and-play for most modern OSs.