If you need to access your router settings no active internet connection is required. You just need to type 192.168.0.1 in a browser address bar if you're ...
How to config Wifi Router Default IP Number 192.168.0.1, 192.168.o.1, 192.168.0.1.1, 192.168.2.1, 10.0.0.1, 192.168.1.254, 192.168.1.2 or 192.168.1.1 with