I misplaced the password at the back of my MTN MIFi i can’t connect to the device please help me to recover my password

I can’t connect to my MTN Mifi after factory reset. I have try to login to admin page with the IP address but the Ip address is not coming up. Please help on this

I also have the same issue. Been trying to change my MiFi username and password since I got it but the system says "username or password error, you have 4 attempts left", and...