: Includes an IPv4/IPv6 dual stack , built-in DHCP server , NAT, and VPN client services (L2TP/PPTP).
It looks like you’re looking for for the Huawei B311-221 4G LTE router. Huawei B311-221 Firmware
You can update the firmware through the web interface or the official mobile app. : Includes an IPv4/IPv6 dual stack , built-in
Huawei does not provide a universal public firmware repository. Instead, firmware is distributed through: : Includes an IPv4/IPv6 dual stack
Have a bricked B311-221? Or need help finding a specific firmware version? Visit the Huawei Modem Unlock Forum or DC-Unlocker support pages for community-driven recovery tools.