Huawei B311-221 router primarily receives firmware updates through its web management interface. For this specific model, the most recent stable firmware version documented is 10.0.1.1 (H187SP60C983) Key Firmware Features & Improvements
If you are unable to find the firmware on the Huawei website, you can also try the following alternative sources: huawei b311221 firmware download top
Core Improvements: Enhancements to SMS functionality, wireless security protocols, firewall, NAT, and DHCP. Network Support: Includes IPv4/IPv6 dual-stack support. Troubleshooting URL: https://consumer
Add your region or carrier (e.g., B311-221 Vodafone firmware). Version 10
For carrier-locked B311221 units, the "top" firmware is often an unlocked generic firmware. The most trusted source is the DC-Unlocker forum and their official software. They provide:
https://consumer.huawei.com/en/support/ (Search "B311221")Version 10.0.2.1 (H690SP2C983): A major update released in mid-2020 that provides enhanced system stability.