Really bad customercare from vodacom mobile service provider

I have been trying to cancel/end 3 data contracts with vodacom since the 15th July 2024 via the 082135 customer care number without any success. I have emailed *** on the 16th July 2024 with no response yet. I have been a customer with vodacom since 2006 but customercare really has gone down the drain. They are quick to want to sign you up for a contract but when you need assistance with cancelling contracts they are none responsive. I have 3 mobile contracts that are due for upgrade, really not sure if i want to continue this relationship with vodacom.