Billing still not right!

MY FIRST COMPLAINT<br> was lodged on the 28th august about incorrect billing, tim rep**** saying that i would be credited as per the response below.<br> <br> REPLY FROM MTN<br> Hello Gregga101,<br> We are truly sorry for the inconvenience caused and for the delayed response to your post.<br> We have now perused your account and see that the usage limit was only set on the 20th of July 2015.<br> We've taken a decision to credit you for the additional usage generated. Please allow 3/5 working days for the credit to be approved and allocated to your account.<br> Tim<br> MTN Complaints Management Team: REQ:***<br> <br> MY SECOND COMPLAINT<br> Was lodged on the 28th of September about why i had not been credited as per the above reply.<br> <br> REPLY FROM MTN<br> Hello Gregga101,<br> Thank you for your post<br> We apologize for the delayed response and for any inconvenience incurred.<br> Kindly note, your usage was investigated on REQ:*** and all related charges were prior to setting of usage limit on 2015-07-20 and no credit has been passed.<br> We sincerely hope that this is in order and hope that we are able to restore your faith in us.<br> Regards<br> Siphumezo<br> Ref#: ***<br> <br> I want my refund as promised by Tim!!! All R1649.47, credited to my account!!!