This is the moment of truth. If the file is corrupt, or if the power cuts out now, the Tenda 4G630 becomes a very fancy brick.

Because firmware is specific to the hardware version (v1, v2, etc.), it is crucial to use the official source to avoid bricking your router.

This repository contains multiple versions (v1_0_0_15 through v1_0_0_32). It is highly recommended to select the latest version, usually 4g630_v1_0_0_32_en.zip or the highest number available. Preparation: Before You Update

After the router reboots and you have reconnected to the network:

Temporarily disconnect your computer from any other Wi-Fi networks. Step 4: Access the Tenda Web Interface Open a web browser (Chrome, Edge, or Firefox). Type 192.168.0.1 into the address bar and press Enter.