fruasted with the smart device department

I purchased a conexis x1 phone from one of the branchies of FNB,The condition or rather terms and condition was for me to invest and automatically i qualify for one of the devices mentioned above.I puchased the device on the 27th September 2017.now the device speaker doesnt recived signal,i am unable to take calls or make calls.i was advised that i should call the toll free number which is star 147# for assistant.I made a call from a fnb brach in centurion.the consulatnt on there other side asked me for the exact date and month of the purchase,I responded by saying i dont remember that exact date but rather the month.he said he was unable to assist me.i then asked to speak to a supervisor which that took 15 mins,then the lady cames on the phone as expect me to repeat the very same thing ,i told her consultant.What kind of service is this honestly???Can someone please contact me regarding this i am about to go to consumer protection council.