Our mobile app explains how to setup and configure zyxel modem. When you buy a new modem, when you forget your router and wifi password, you need to reset your modem and install it again. What's in the app content How to setup Zyxel modem router (vmg3312 - IP address for easy setup interface entry: 192.168.1.1) How to set up a guest network? How to change Zyxel wifi password? (For your security, the wifi password should be changed every 3 months. The default login information such as "admin"