Rain agent negligence

I was upgraded from 4G to 5G because the 4G was connecting to a faulty tower Roodekrans since January 2021 the agent Tasneem said when the 5g is activated the 4g will stop working that wasn't the case both simcard where active till they called me on 12 May 21. The agent then disconnected the 5g Sim instead of the 4g after realising she said they will fix it I then spoke to Thandeka Dlomo who then called Lebo Thlakane who said she is the Operations Manager and said they will resolve it but since then I've had no Internet and never heard from her. Siyabonga Ngcobo has been assisting but fails to have solutions they delivered a 5g Sim them said it's not working again I was promised a Sim will be delivered today Saturday 22nd but no one has called to update me or let me know what time the new Sim will arrive. Rain this is bad service and no one can fix this all because an agent was negligent and disconnected the 5g Sim instead of 4G.