router problem app installation

Hi, So I just bought the Xiaomi Router 3, it arrived, and I tried to set it up as people descibe online. I tried both with the app and my computer, and the results are the same. It is the English firmware version, but regardless whether I use one method or the other i get a "Gateway 502 nginx"...

Dear All, I have a problem with a new Xiaomi Redmi 3 Pro smart phone, because via wi-fi I couldn't download any kind of programme from play store, because the play store write this: connetion timed out. But If i go to my company place and I connect to the company wi-fi I can reach google play...