Bad Service

Well i taken the 80+80gb data sim received it but the internet speed is super slow so i contacted Support immediately less than 3 days of receiving my card and advised them the situation and gave them alternatives, and told them if the internet is slow please can i change to the mtn one so i receive a reply from Hubert Kleinhans he tell me i need to cancel the existing one and reapply for the new one yes thats easy my point is i paid already for the Telkom R500 and i must still pay for another month or so and then i must also pay another R549 or so for the new one totally not on service has dropped drastically been with this company for years and this is how one get treated as a loyal customer bull**** service