Huawei B312-926 Firmware 10.0.3.1(H192SP9C00) Universal Unlock and Update Guide
But Kelvin had no choice.
To install or update firmware on your Huawei B312-926, you can use the following official and community-tested methods: Official Web Interface Update: Connect your computer to the router via Wi-Fi or Ethernet. huawei b312926 firmware 10031h192sp9c00 universal work
Provider Constraints: If you are using a router from a specific carrier (e.g., Dialog M60), the device may still revert to default carrier settings or experience band-switching issues even after a firmware change. How do I update the firmware version of my HUAWEI router Huawei B312-926 Firmware 10
The problem? Most B312-926 units are locked to a specific service provider. Common variants include: Go to Settings → Device → Firmware Update
Router is regularly unresponsive (B312-926) - HUAWEI Community
The router was alive.