Charged twice for the same device with different amounts.

I’m not happy with how Vodacom billed me last month, I noticed that it this month. I signed up for 24 months contract for iPhone 15 I pay R1088 with comprehensive insurance, last month I was charged R255 on the 1st of November 2025 on top of the monthly payment for the contract. Now again the same amount was deducted yet I paid R1088 that included insurance. Now all in all I paid R1343. Way too much and expensive with this I will have to cancel the insurance and save few rands because I’m being overcharged.