Huawei E3372 Guide

But there’s a catch:

Re-flash it to firmware 21.333 (Stick mode).

Buy the version with two TS9 antenna ports . The "slim" version has no ports—avoid it unless you live under the cell tower. Have you flashed your E3372 to stick mode, or do you still run the stock HiLink firmware? Let me know in the comments! huawei e3372

Enter the .

Warning: This is slightly technical. You need a Windows PC and a tool called Balong USB Download . But once flashed, your E3372 becomes a true serial modem that plays nice with Linux, OpenWRT, and custom scripts. But there’s a catch: Re-flash it to firmware 21

Let’s break it down.

In a world pushing for 5G and gigabit speeds, sometimes you just need something that works. Every time, everywhere, without drama. Have you flashed your E3372 to stick mode,

This little 4G USB dongle isn't flashy. It doesn't have a touchscreen or a battery that swells after a year. But if you run a home backup network, build a Raspberry Pi router, or need rugged internet for a boat or caravan, this stick is still the gold standard.