Disgusting Service

I requested for information regarding my contract as it is due for a upgrade . I was informed the finance on my contract was cancelled without my knowledge. A call was logged to have it corrected . It was corrected and I app**** for a double deal upgrade where I specifically requested for phones that had better specs than the current phones that I have . I was contacted once again saying that I could receive the Redme pro 5G for the same package that I have . The arrangements where made to have the phone delivered to my home .The courier company delivered the phones only to find out it was the wrong phones . I called and made the arrangements to have phone taken back .I called once again to apply for the correct phones only to be informed the finance was removed again . I am so angry and so disgusted being a loyal customer to be treated like this .I am totally lost for words .