Poor Service from MTN

Very poor service. Have had a data sim card for three days already. According to MTN the card is active but it doesnt work. I've been on the phone for 2 days just trying to sort it out. Then they have the audacity to tell me it is working I must just look! Really. Very very disappointed. I've been with them for over 10 years. But it's ok. My current contract is coming to an end so I will end it.