Huawei B312926 Firmware 10031h192sp9c00 Universal Link -

: Features integrated firewalling, PIN protection, MAC address filtering, and VPN tunnel/penetration support.

Many routers check for OTA updates at: http://update.hicloud.com:8180/ – but the exact path for B312-926 is not public. However, some users have extracted the raw file URL: huawei b312926 firmware 10031h192sp9c00 universal link