Answered question
ANSWER
Visit the address http://mtnbroadband.ng/index.html
username: admin
password: admin
Click Quick Settings on the Dashboard
Change the Network Name(SSID) to any name of your choice.
To make it an hidden network, then you can click button to disable SSID Broadcast,
Click Next
Enter the new password in the Pass Phrase * box.
Click Next, then Click Apply.
Viola, your password would be updated to the new one.
You will need to connect with the new Wifi name and new Password
I just got my mifi and I want to change the password