Data for Africa but not for me

robbing data. every-month i get a SMS that tells me your data has run out, No its got 5 gig. but we vodacom will give you automatically 1 gig added to your bill for R115. but get your invoice its R200 ea time , and this goes on for 3 times per day. Then I get SMS your account is in arrears. i did get a complain ref num *** But nothing back what went wrong. No SMS to say thankyou for the payment we made for R1252.14 as per invoice 1/ 10/19 my account numberI***-1 been billed as on invoice h8-g1xm1 I wanted to chance my contract to a smaller package. No SIR your in arrears cant do a deal but its OK to take of an arrears account money for data i never see on my data increased. I WANT ALL DATA TAKEN MONEY FOR PAID BACK TO ME. OR EVERYDAY I WILL POST THIS ON FACEBOOK.