@Shaifuddin I found a solution. If I change the device's private IP on the router using IP reservation. it solves the packet loss issue. But need a firmware update to solve this permanently.

I have fixed the Windows device on the main unit using the Deco app.

Hello TP-Link Community, I am experiencing a persistent and unusual issue with my Deco X50 mesh system and would appreciate any insights or help from the support team. Hardware & Network Setup:...