bad service and false information

I have done upgrade with Vodacom on the 27 July 2021 and I did not received my voucher as per qoute,Vodacom is not keeping to there advert and there information,I havent received any comminication from them and is being told different stories regarding my request .Vodacom is advertising false information.no where it is being advertice you need to let the debit order have to be decuted for 2 months before you receive voucher.