bad service

Sins Monday morning I battle to send an email I phone every day then they are offline on Friday 15 Jan 2016 I phone again and they let me change my password and it did not help sit with same problemshe (Mishka) set she will phone in 30 minutes back but did not I phone again and and talk to Riana who put me thru to Pedi who put the phone done I phone again and talk to Paplo who could not help me either tells me wifi must work with a simcard Vodacom is very bad