Vodacom Over price insurance

So I’ve been a client of Vodacom for over 18 years, due to unemployment my partner took over my contracts or rather start new contracts. Meaning I am very loyal. However vodacom have shown us the finger. My partner now contract holder just upgraded two contacts for my daughters with the same phones decided to Vodacom provide us with insurance for double the insurance price for the same device. To put in layman’s terms my iPhone 8 Plus has a premium of R290 for 23k cover whiles one of my daughters have a p30lite worth 6k with a R325 premium. You do the maths. We decided not to pay the insurance amount for the one device and I am not exaggerating get at minimum 10 calls a day. Yet for enquiring this more than 20 times we now poor payers