Huawei B311-221 Firmware =link=

| Firmware Version | Key Improvements | |----------------|------------------| | | Initial release – basic LTE band locking via HiLink. | | 11.171.01.01.123 | Fixed IPv6 connectivity issues. Added DMZ option. | | 11.178.01.01.456 | Improved carrier aggregation (2CA). Updated security patches (CVE-2021-39801). | | 11.178.03.02.789 | Added “SMS over WebUI” for some carriers. Improved external antenna switching logic. | | 11.182.07.00.002 | Latest as of 2024/2025 – stability fixes for 4G/5G DSS networks. Removed telnet backdoor. |

Updating the firmware is a straightforward process that can be handled through multiple interfaces. : Never disconnect the power during an update, as this can permanently damage the router. Huawei B311-221 Firmware Release Notes | PDF - Scribd

Connect your computer to the B311-221 via Wi-Fi or Ethernet cable. Huawei B311-221 Firmware

Can introduce new settings in the web interface, such as advanced VoIP configurations or better parental controls. Technical Specifications and Firmware Variances

4PDA forum (Russian) or Gti-firmware.com – always scan for malware. | | 11

Unlocking allows the B311-221 to accept SIM cards from any carrier, bypassing network restrictions.

: Features an IPv4/IPv6 dual-stack , ensuring compatibility with modern network standards. Functional Highlights Improved external antenna switching logic

Here is detailed content related to the firmware, covering what it is, why you might need it, how to check your version, and important precautions.