Blackfriday 50G free data not given

Vodacom shops advertised Blackfriday specials that if you upgrade you will receive 50G free data for a week. Two weeks later we still haven’t received our data. We’ve been to Vodacom shops three times and nobody can assist us. Vodacom call center’s don't know any thing about the specials and says that a retail partner needs to be contacted which they cannot do. Nobody at vodacom seems to know whats going. Vodacom has advertised this special and we have paid and upgraded but did not receive what was advertised.