data rates

Vodacom,im sick a d tired used 1 gig 4 days and i berly use the internet,im tired of this problem i had to put 500 meg this morning,this is not correct you sent trough emails tell me everything is correct!!!its impossible!you're the highest billing cellphone service in south africa!!!!!and take 2 days to give feedback!!!and tben ots still my fault ans not yours!!!