Unprossionalism

I got a sms in Jan informing me that if I pay for Feb, March, April I will get End of May for free. Come end of may I get my service suspended and im told that they will sort it out. Every 3rd day Im reconnected and Disconected and I have to call customer service and give the same story and everytime im told its been escalated but still I get my services suspended. I communicate with u guys on facebook messenger and I have to relate the same story everyday still no help. Been calling every day since the 26th of May till today but no one is able to help. What else can one do with such.