Before we get into the software, let's establish what hardware we're working with. The Huawei B311-221 is a Category 4 (Cat4) 4G LTE router, designed to provide a wireless internet connection for a home or small office. Its main appeal lies in its ability to convert a cellular SIM card signal into a standard Wi-Fi network and a wired Ethernet connection.
Leave the router completely alone until it reboots and the light indicators stabilize. Method 2: Manual Local Update Huawei B311-221 Firmware
Released directly by Huawei. It contains no carrier branding and works with any compatible SIM card worldwide. Before we get into the software, let's establish
: Supports download speeds up to 150 Mbps and upload speeds up to 50 Mbps . Leave the router completely alone until it reboots
Go to your system settings and export a backup of your current configuration so you can restore your passwords and network rules later. How to Update Huawei B311-221 Firmware