Do not attempt a firmware update over Wi-Fi. If the wireless signal drops for even a second during the flash process, the router could become unusable. Plug your computer directly into one of the router's LAN ports using an RJ45 Ethernet cable.
Updating the firmware on your Tenda 4G630 wireless router is the most effective way to improve connection stability, fix security vulnerabilities, and ensure compatibility with the latest 4G USB modems. This guide provides a comprehensive walkthrough of the process, from preparation to the final reboot. Why Update Tenda 4G630 Firmware? tenda 4g630 firmware update
