Huawei B311-221 Firmware Jun 2026

| 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. |

You can update your device using three primary methods: the Web Interface, the AI Life App, or manual local installation. 1. Via Web-Based Management (Recommended) This is the most common method for desktop users. Huawei B311-221 Firmware Release Notes | PDF - Scribd Huawei B311-221 Firmware

Manufacturers use updates to resolve known glitches, such as random reboots, Wi-Fi drops, or UI freezing. | | 11

If your router is carrier-branded (e.g., Vodafone, MTN, Three), the OTA update might be blocked. You may need to download the specific firmware file (usually ending in .bin ) from the carrier's support page or a trusted firmware repository. Improved external antenna switching logic

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