Question: how to change username and password of netis router?
Answer: STEP 1: Open the browser and type the IP address of the router (default: 192.168.1.1) into the address bar then press enter. (The IP address 192.168.1.1 is not the internet, the web page configuration is built in the router)
STEP 2: Change wireless password on advance, ... 
STEP 3: When it shows saved “successfully”!