Huawei B311221 Firmware Updated -

If a previous update failed and your B311221 is stuck with a blinking light or no response, use recovery mode:

Perform a (Settings > System > Factory Reset) after updating to clear outdated configurations. huawei b311221 firmware updated

| Region / Carrier | Firmware Version | Release Date | Key Improvements | |----------------|------------------|--------------|------------------| | Global (Unlocked) | 11.0.2.13(H193SP2C983) | March 2025 | Security patch, Wi-Fi stability | | Europe (Vodafone) | 11.0.3.21(H163SP1C10) | Jan 2025 | Carrier aggregation fix | | Asia (SingTel) | 11.0.1.98(H123SP5C70) | Dec 2024 | IPv6 & WebUI refresh | | Latin America (Claro) | 10.1.2.45(H100SP3C20) | Oct 2024 | Signal reporting fix | If a previous update failed and your B311221

: Updates to the integrated firewall and NAT (Network Address Translation) configurations. Security Fixes ✨ Key Improvements in Recent Versions The is

: Click Update and wait for the device to process the file. ✨ Key Improvements in Recent Versions

The is a popular 4G LTE router used by many ISPs (e.g., Three, EE, T-Mobile, Vodafone, or local carriers). A firmware update can bring security patches, performance improvements, and new features — but it can also cause issues if done incorrectly or with the wrong firmware version.

Huawei B311-221 Firmware Updated: Guide to the Latest Version