Unhappy client

Vodacom Direct contracted me telling me I'm due for upgrade i wasn't interested in the deal they however still decided to upgrade both my numbers , tabs got delivered to my address and i called them continuously to tell them i not happy with Tablet devices and I didn't agree to the deal it's been three weeks and still no one made a effort to contact me back to come an fetch the tabs . Please resolve this issue and contact me on the following number *** or vai email ***