Wrong device delivered after upgrade

Hi<br> <br> I phoned 084145 on Monday 8 February 2016, and did my upgrade telephonically. I specifically asked for a specific colour phone (3 times), or else I would not accept the upgrade. My order (with the specific colour) was confirmed by your agent. After receiving the device on Wednesday, it was the wrong colour. I immediately called your agents, and was told they would collect the device, and I can order a new device after the wrong one was collected. The device was collected on Thursday. When I phoned today to re-order the correct device, I was told I now have to wait 10 days (7 working days) before ordering the new device. This is un-acceptable, as I was very specific in what I wanted, it was confirmed by your agent, and the mistake was not made by me. If I have to wait another 10 days, I cannot reject your upgrade, as your terms specify 5 days. I do not want this contract if you cannot provide what I requested, and was confirmed<br> <br> Regards<br>