Before searching for a "full" firmware file, you must identify your hardware version. Installing firmware for V1 on a V2 device will "brick" the unit.
The search for the XZ000-G3 firmware can be difficult because TP-Link typically treats this device as a Service Provider (ISP) model. This means updates are often pushed automatically by your provider rather than being hosted on a public download page. Understanding the TP-Link XZ000-G3 xz000g3 firmware full
Open a browser and go to http://192.168.1.1 . Before searching for a "full" firmware file, you