Vodacom-Service company minus the service

I upgraded my phone on line 2 weeks ago. ( have been customer for 30 years). Phone was delivered without SIM card as promised. Took another week to get the SIM card. They then performed a sim swap- net result was no signal on either old or new phone. Since then dealing with their customer service has been a nightmare. They conceded that the problem was on their side but consultants ( who were very pleasant ) could not sort it out so they escalated it to technical. Since then,4 days ago I have not heard a word from the technical department who don’t seem to have any ability or service ethic.I am severely handicapped as I use my phone continuously for business and I can’t perform banking or on line transactions as sms confirmations and otp numbers cannot reach me. All I can get from Vodacom is job reference numbers. I will never do an on line transaction with this company again.