Unhappy and angry

Was called on the 21/02/2023 regarding my upgrade and was assisted with the upgrade and was given all the details of the upgrade along with the price per month. Then I was called back to say they have no stock so I took another device which was the Samsung S23 ultra. I then called to find out when it will be out for delivery and I was told I'm not due to upgrade which shocked me....Today I get a notification from my bank and money was deducted for the new device....I called to report it and to my surprise they can't assist me.. So I asked that either they send me my upgrade device or return my money but then get told I need to wait.....I am so furious and feel the way it was handled is not right.

The customer agent was not even helpful nor remorseful