He triple-checked. v4. OK.
Open a web browser and type http://tplinkwifi.net or 192.168.0.1 into the address bar. Log in with your admin credentials.
Click the Upgrade button. The router will begin the update process.
Depending on your current firmware interface layout, follow one of these paths: Go to Advanced > System Tools > Firmware Upgrade . Path B: Go to Advanced > System > Firmware Update . 3. Upload and Update