I was with island mas, it was either before or after judging point, I had lost my iphone12 it has a clear puffer case with my Santander card at the back
(Abbie Paul on 27 Aug 2024)
When: 27 Aug 2022
Where: Nottinghill Carnival(51.5160° N, 0.2090° W)
Found what I think is a black Samsung galaxy S10 with a black case at Nottinghill Carnival on Sunday 28th August. The phone was found by the Benjart stage.

Could you have found one of these?