Billing on Cancelled Contract

I am writing to formally lodge a complaint regarding an ongoing issue with my data mobile contract, which I app**** for in June 2025. After receiving the Wi-Fi router and SIM cards, I quickly realized that there was no network connection in my area. I promptly informed Vodacom, and as a result, all devices and accessories related to the contract were collected within 7 days.

However, despite the cancellation, I have been incorrectly billed on a monthly basis for this contract, which should have been terminated. I kindly request that you take immediate action to reverse these charges and rectify the situation.