Worst customer service I have ever received

Worst customer service ever and their whatsapp they will just ignore you, I paid my wifi but still I'm not connected they can't resolve the issue for 3 days now, I regret the day I took this home connect...Last time I spoke with Markham promising to resolve the issue but still nothing, to me they don't deserve any star this company...every month I must go back and forth with them it's just a struggle rather use other wifi company