Firmware - Huawei B311-221

Used to flash custom “dashboard” (web interface) without touching baseband. Safer than full firmware replacement.

Improved support for IPv4/IPv6 dual stack and dynamic host configuration protocol (DHCP) settings. Security & Network Management: Huawei B311-221 Firmware

When searching for files, it is critical to distinguish between two types of updates: Used to flash custom “dashboard” (web interface) without

Perform a Brick Recovery .

Supports LTE downloads up to 150Mbps and uploads up to 50Mbps. Huawei B311-221 Firmware