I have a archer vr900 but ı dont have any internet infrastructure so ı cannot use internet in my rooter ı want to use my router like 3g/4g router but ı heard the 3 g/4g modem is neccessary bur ı dont have it but ı have phone so can ı connect my phone to router with usb and ıdentify my phone to router in usb settings -) 3g 4g settings... Or How can ı use my router like  access point between my phone's hotspot and the router help ı need information over here