Dissatisfied

I have not been recieving the agreed upon data for my cellphone as agreed on the 5th of August, I spoke to Randal regarding my contract. I only receive 2gb and 10 gig promotional data. And not the other phone I receive 500 megabytes, so why must I pay R200 every month for 500 megabytes. My I'd nobis ***.contact me *** so that I can understand with my contract