MTN internet data subscribers might encounter some difficulties using MTN internet data services which they notifies and apologizes to their customers in advance.

Though the problem is b eing handled so their is no need to worry as the problem will soon be resolved according to MTN Nigeria

Here is the message from MTN

Dear Customer, you may experience difficulty using our internet services.
This is being resolved.
We apologize for any inconveniences this may cause.
Thank You