INCORRECT PHONE DELIVERED ON MY NEW MTN CONTRACT

DSV Couriers delivered my new MTN Contract 30 December 2021, DSV needed to confirm that the correct order was received, I opened the package only to find a Samsung Galaxy A12 and MTN contract sim card, I advised the DSV driver that this was incorrect as I ordered a Samsung Galaxy A52 5G and he advised that I must go to the nearest MTN shop to exchange to the correct device ordered. I contacted customer service and confirmed that a Samsung A52 5G phone was originally ordered but was exchanged with a Samsung Galaxy A12 (to one of the lowest Samsung Galaxy phones) due to NO stock on the Samsung Galaxy A52 5G.I wasn't contacted advising or asking my approval to exchange from a Samsung A52 to a . Samsung Galaxy A12 The customer service agent advised that I need to go to the nearest MTN shop to in hand the device to obtain a reference number form the MTN shop that the device is still in original packaging, I then need to call Customer care with the reference number in order to cancel the MTN contract. I told the customer agent that I don't want to cancel the contrac I want to exchange it to the device originally ordered or a device that is equivalent. I was ignored and was told that I can reapply from scratch only after 2 to 3 months after the cancellation of the contract. I confirmed that there's a second MTN order numbers and asked to confirm the device the second order as DSV contacted me to confirm delivery 31 December 2021.I was advised that its only a sim card without a device, but order states device/sim. I asked if a device can he added to the second order and the guy said NO as the package was already at DSV, I requested for the second order to be cancelled and was advised that I can place a new order immediately and will be delivered next week. I placed a new order but still no response.

I do not want to cancel the MTN contract I want the phone I app**** for or a phone from another brand that is equivalent to the Samsung A52 5G phone not the cheapest entry level dumbass phone that was exchanged without my consent and approval.