I'm not happy, I pai...

I'm not happy, I paid my account on 30sept,but I'm forever getting emails, text to remind me of payment, and my WiFi network was off for a week, and been told I have missed a payment, not happy at all.... I'm still following up wt ds matter up to to date,nothing has been done. And secondly I ordered the 2sims that I haven't received since 19 Sept when I checked on the system my address was wrong