Lies and *****ing data and data keeps dissapearing

Good day

I have prepaid and a prime video bundle and time and again it uses normal data instead of the prime video the call centre as even refunded me sometimes, now they tell me it uses both data why then have 2 datas I dont get it I buy data watch 2 to 4 episodes on data saver and the 5gb data finished this is one ******* situation buying extra data and differents datas but is uses all data and then when you download with your night shift data it also takes your normal data I am so done with vodacom after many years of being a loyal client I have had it.