Samsung Black Bottom Freezer Fridge

Super clean and works fine only issue on the top part cooler not cold enough it's happen two months ago. Freezer works totally fine. Still we are using this fridge cooling not like before. If anyone knows how to fix take it because we going to move new house .Selling a Samsung bottom freezer refrigerator in black. Features include an interactive display and a twist ice system. Dimensions are 31 half inch wide and leanth 69". Perfect for a family or anyone needing extra fridge space! Fix price don't ask lower the price small problem easy can fix worth more than 800$ so only 350$ asking thanks