vodacom contracts

I upgraded my phone somewhere in May 2021 through vodacom consultant on the phone according to what we agreed upon and the debit order was totally different , i was been charged for 2 handset for 3 month until I complained and cancel stop order and pay through my app, I am soo disappointed with Vodacom, I normally pay my account using app and is not going though not knowing why , but without notification vodacom blocked my number , imagine