Wrong expensive item received from Takealot

2024-07-22, I ordered the following from Takealot: "Amazon Kindle Fire 10" Full HD Tablet 32GB WiFi Only (2021 Model) - Black" On 2024-07-25 I receive my package. My wife was very happy with the Kindle and it worked very well. Then we went to local businesses to purchase a cover for this "2021" model. We couldn't find one anywhere, so I ordered a 2021 cover from Takealot on 2024-09-06 which I received on 2024-09-11. The cover didn't fit, and I found the tablet to be a 2019 9th gen model instead of a 2021 11th gen. I initially had no reason to investigate which model I received in July. It was used by my wife which had no technical knowledge. The only way to know what year model it is, is to google the model # or check the about in the settings. So, I logged a return which Takealot refused and returned the tablet to me. They claim that I was supposed to notify them within 7 days of receiving the item in accordance with the Takealot return policy. They also said I have to return it within 14 days. Their return policy said 30 days for wrong items received. I then returned the 2021 cover which they accepted and gave me credit for. Now I can't find a cover for the 2019 model anywhere. I feel that the fault was on Takealot's side and that they could have compensated me somehow.