Mtn problems...

Since February I'm having trouble connecting with the internet and selfone signal on all my mtn contacts even mtn data topup double up data promotion is not working and the bozza promotion is always unavailable the call center just tel you to reset your fone router every time when jou call back the same useless trouble shooting this service provider is really going down hill fast , my wife's vodacom works the best with netwerk problems only with loadsheding