To keep the device secure and stable, use one of the following official methods: HUAWEI LTE Cat.4 WiFi Router (B311-221) - wifi-stock.com
Many modern routers, including the Huawei B311-221, have a web-based interface for configuration and settings. This can be considered "portable" in the sense that you can access it from any device with a web browser, without needing to install any software. huawei b311221 firmware portable
To keep the device secure and stable, use one of the following official methods: HUAWEI LTE Cat.4 WiFi Router (B311-221) - wifi-stock.com
Many modern routers, including the Huawei B311-221, have a web-based interface for configuration and settings. This can be considered "portable" in the sense that you can access it from any device with a web browser, without needing to install any software.