This article explains How to Change Wi Fi Password on the NETIS wireless router. Its management IP is 192.168.1.1.
Step 1 : Log in NETIS wireless router
Open a web-browser (such as Microsoft Internet Explorer, Google Chrome, Mozilla Firefox or Apple Safari). Enter the ip address of NETIS wireless router: 192.168.1.1.
Step 2 : Wireless Setup on TRENDnet AC1750 router
SSID : Create a name (up to 32 characters)
Password : Create a password (minimum of 8 characters in length)
Click the "Save" button to save your settings.