Ensure the power remains stable during the entire process. Step-by-Step Update Guide How to upgrade the firmware on the TP-Link Wi-Fi Routers
If you’ve followed all steps and still face issues, visit the TP-LINK Community Forums or consider whether it’s time to retire the TD854W for a modern alternative. Update Software in TP-LINK TD854W
: Regular updates help resolve internet connectivity issues and improve the stability of your 150Mbps wireless connection. Security Patching Ensure the power remains stable during the entire process