Vodacom bad service

My wife has a contract with vodacom. Contract expires end on january 2026. In October 2025 she was called by vodacom and my wife told them she wants cancel the contract when it comes to an end..however someone at vodacom upgraded the contract without her consent! This to me is *****!!!..Now she is being sent from pillar to post to get this contract cancelled. My wife even asked for the call recording , but vodacom wont give it. Vodacom can contact me on *** (hope one of their executives see this post) . This is really bad service from Vodacom