FNB Connect service sucks.

Very poor signal. I paid R5000 for a signal booster. My signal is now really strong. Calls OK. But every now and then the network seems to mal function. Right now I have a strong signal but all calls I make don't connect. Instead of ringing I get "Call ended". Try and contact them and it's impossible. Can't call them their network seems to be down. Email them and they give themselves 2 days to respond. That is what I call poor shoddy service. 2 days to reply to a connection query. Do you think they will refund me for 2 days while they get their act together and respond. Problem is that all these cell phone companies provide really bad service. Poor show FNB Connect.