Poor Customer Care - No Care For Quality

Once again poor service from MTN. I have received my router & sim 2 days ago and it has been set up. The sim card is active, but we keep getting connected with no service/signal. I have called multiple numbers & times where no one is willing to help - they just transfer me to another line where the line goes dead.

This is the second issue with MTN in less than a week.

Can someone please assist me as I am now paying for a service I am unable to use.