: Provides deep access to APN settings and network mode selection (e.g., forcing 4G/LTE only) beyond what the standard web interface might allow.
There isn't just one single "official" tool; rather, there are several industry-standard utilities used by enthusiasts: huawei modem flash tool
Eject the modem, wait 10 seconds, and plug it back in. The drive label or IP address (192.168.8.1) should reflect the new firmware. : Provides deep access to APN settings and