MTN done me wrong!!

<p> I have a sim that I only use for Laptop internet. On the 23rd of September I had almost 900mb and that was the last time I used my sim card but come the 27th in just 15min I was out of data, I then bought data again and on the 29th at night I had 1.4Gig and didn't use the sim until 2nd October but in 30min I was out of data for checking emails. I have used this sim card for almost a year now and I know how my data depreciate, this is just milking us for more money and I'm probably gonna be out of data after writing this review!!</p>