If you have an Arris NVG578LX router you can set it up remotely from a mobile device and also:
Set up a guest network
View connected devices
Check each of your devices’ Wi-Fi strength
Create profiles for children to manage screen time
Monitor network health
To access the Arris router settings GUI:
Use a mobile device that’s connected to the router wirelessly (Wi-Fi) or a PC/laptop that’s hard-wired (Ethernet cable)
Open a new internet browser
Type in http://192.168.1.254 to the address bar and hit enter
The router interface page will appear
To make changes you’ll need to enter the device access code - you can find this on the label on the bottom of your router
Enter the code and you’ll be given access to change the router settings