MTN is sending me half data balance of the plan i've signed for and none of the staff is helpful is sorting out this issue (May be its this work from Home thing I don't know)

I've signed for sim only MEGA GIG S package of which I should be getting the following: 4 GB total Data consisting off 2 GB Anytime Data,1 GB Social Data, and1GB Video Streaming Data and 50 Minutes.

however for the past two months they've been sending me half of that data, i called for the past two times but all their agents keep saying they escalated the issue and i should wait for three days after which the cases keep being closed without being resolved

cases numbers:*** and ***