While you're connected to the Mifi Router, goto http://192.168.1.1 in your browser. You'll get an Afrihost page requesting a username and password. When you log in. You can go to WLAN settings and you can change the Wifi Name and Password to whatever you want and click save. You will be disconnected from the wifi and you will need to reconnect to the new name you've just setup and with the password you;ve setup.