Use the on-screen display (OSD) menu. Navigate to System Information → Software Version .
flashing. This involves opening the physical casing and connecting directly to the router's circuit board to "force" the new code onto the chip—a high-stakes move that can "brick" the device if it goes wrong. How to Fix a Bricked TP-Link Deco Using Firmware Recovery Dx3301-t0 Firmware
Believe it or not, there is such a thing as updating too often. When a device reaches end-of-life (EOL), manufacturers may push rushed updates that introduce new bugs. As a rule of thumb: Use the on-screen display (OSD) menu