Good afternoon i have problem with some furniture shop name Railway furniture i bought Treno smart tv 55 inc 2023 which is cost R19100

Good afternoon i have problem with some furniture shop name Railway furniture i bought Treno smart tv 55 inc 2023 which is cost R19100.So on the 13th March 2025 they reposes it bcz i did able to pay the amout was left which is R4340-00.But i continue pay at every month's after the repose until i finish paying last month.The issue here is that their delaying to bring back my tv telling me that they don't have any replacement by now which is almost a month