@woozle connection is pppoe and the onu is a local brand

I have tried the default address of 192.168.1.1 of ONU device but it doesnt respond

and what about tether app any idea

Hi I am from India and on the back of the router there is no country specified and on site when i try to download firmware update it shows me Archer C20(EU)_V5_200915. So is this update would be...