Fixes exploits and vulnerabilities that could expose your local network to unauthorized access.
Updating the firmware on your Tenda 4G630 4G/3G Wireless N300 Router
As of 2026, Tenda has released frequent updates for the 4G630. Many units still run the original factory firmware (often version V16.03.17.01 or similar). Newer updates may exist for hardware variants like 4G630 v2.0 or 4G630 v3.0 , but standard v1.0 users rarely see official updates.
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If everything is working perfectly and you have no security concerns, you can skip an update. That said, firmware updates often include security patches that protect your network from new threats. For most users, staying current is the safest approach.
Log into your router’s web interface:
Alternatively, hold the physical button on the back of the device for 10 seconds. Reconfigure your ISP settings and Wi-Fi password. Troubleshooting Common Issues Fixes exploits and vulnerabilities that could expose your
The router will automatically reboot once the upload finishes. Do not unplug the power cord during this process. Once the power LED stabilizes, log back into the interface. Verify the new version number on the status page. Troubleshooting Common Update Issues
Firmware updates carry inherent risks. The author of this article is not responsible for any damage that may occur during the update process. Always follow the manufacturer’s official instructions and exercise caution.
Once inside the Tenda web dashboard, look at the top menu or left-hand sidebar. Locate and click on or Tools . Newer updates may exist for hardware variants like 4G630 v2
Tenda strongly recommends performing the firmware upgrade over a wired (Ethernet) connection rather than wirelessly. A wired connection is much more stable and reduces the risk of the upgrade being interrupted.
This method gives you more control and is the most reliable way to update your firmware.