Afrihost and Rain are useless companies

It's been a year since I purchased their Rain Fixed LTE package. I used to enjoy speeds of nothing less than 15mb p/s. I could stream while my daughter is streaming something else in her room and still had about 5 other devices connected. Since Rain started selling sums cards for regularly users, their network has turned to *******. I get less than 1mb p/s and about 5mb p/s upload speeds. How on earth does that make sense?. Luckily I'm not locked into a long term contract with them so I'll be cancelling. After quering this with Afrihost, I was told its not their problem I must contact Rain directly and someone from Rain will call me. Its been over 6 months since I've been waiting for this call.