MTN upgrade dis satisfaction

I upgrade online with MTN I asked for a IPhone 14 I received my package after 21 days and the unit given to me was a samsuns I phone the number on the invoice and was told they will divert my call after 35 minutes the call was cut so I phone 3 times each time it is the same number maybe they are understaffed but as a client my very disarrified maybe the ombudsman can sort this out