I got that in 2016 and didn't use after a week

Hello, thanks for reply. I read that guide but didn't understood which is primary or which one is secondary. I read another community post of this website where a guy clarified same router person how...

First, I note down my primary wifi 2.4ghz SSID, PASSWORD AND MAC Address on paper. For Tp link modem, I used official support page to update firmware successfully. Here are my troubleshooting steps:...