Useful, free, hosted or open source tools
Let's walk through a real-world example. The Huawei E3372 has two modes: (internal webpage) and Stick mode (NDIS/ECM for routers). You need a flash tool to convert it.
It sounds like you're looking for information on the — a utility often used to unlock, debrand, or repair Huawei USB modems/routers (like E3372, E5573, etc.) by reflashing their firmware. huawei modem flash tool
Specifically designed to fix "soft-bricked" devices where the standard web interface is inaccessible. Let's walk through a real-world example
Older HiSilicon Balong chips (E303, E3131, E3272) Balong Flash is the gold standard for USB dongles. It is a lightweight tool that forces the modem into "PCUI" interface mode. huawei modem flash tool