@mishukx Thanks, buddies, for your responses. I just solved the problem. As my ISP technician informed me, I need to install the Deco software over his installed one. Or call the ISP for support. As...

Today I got a new connection from a local ISP. Everything was fine. In the evening I face a problem. I am using Deco X60 as my router. I found that the ISP technician has set up my Deco without the...