DSTV cannot swap decoder

I have never seen such poor service in the entire world. Ask DSTV to swap old explorer on account to new explorer ultra....decoder That's it!! They decide to terminate all decoders and services sighting we need a technical person (remember unplug one and plug in new one) 4x calls later and listing to utter useless music but ICASA or HelloPeter and the Social Media might wake them up given this is utterly poorly trained staff not able to do basic functions