: Supports writing, sending, and receiving long messages with a storage capacity of up to 500 messages .
The official upgrade flow:
You can update your firmware using two primary methods provided by the Huawei Support Center Method A: AI Life App (Mobile) Connect your smartphone to the router's Wi-Fi. AI Life App and select your router. and choose Check for updates Auto-update huawei b311 firmware
The AI Life app (formerly HiLink) allows you to manage updates directly from your smartphone. Connect your phone to the B311's Wi-Fi network. : Supports writing, sending, and receiving long messages
If the OTA option is unavailable (common if the ISP has customized the firmware to block updates), you must do it manually: : Supports writing