🛡️ : Enhanced firewall and NAT (Network Address Translation) configurations.

The Huawei B311-221 is a 4G LTE fixed wireless gateway (home router) used to share cellular broadband over Ethernet and Wi‑Fi. "Firmware" refers to the device’s embedded software that controls modem functions, network interfaces, security, web UI, and carrier/operator customizations. Firmware updates can add features, fix bugs, improve performance, and close security vulnerabilities, but improper flashing may brick or carrier‑lock a device.

and follow the prompts if a new version is found. Method 2: Using the Web Interface Connect your PC via Wi-Fi or Ethernet to the router. Navigate to 192.168.8.1 in your browser.

Fixes for kernel vulnerabilities (e.g., CVE-2017-6951).

Later that week, he noticed that his phone connected to the Wi-Fi much faster when he walked in the door, and the video calls with his editor were crystal clear. The "lazy router" wasn't lazy anymore; it had just needed a tune-up.