Unsuccessful delivery yet no contact from the driver

The worst service ever . Waited for deliver they driver did not call nothing yet my delivery was unsuccessful. The address was correct even when u try call they will tell u they don’t know or assist in terms of the drivers but it’s their employees . Waited for my Vodacom contract for full week and they can’t deliver. Next thing their courier will behijacked as usual . I think the drivers are not reprimanded