Before downloading anything, let's decode your motherboard. On your MXQ Pro 4K 5G, look for the large chip covered by a small aluminum heatsink. Underneath is the CPU. However, the (Printed Circuit Board) is printed in white text on the green board.
The MXQ Pro 4K 5G is a popular Android TV box model, and I'll provide you with some features and information about its firmware, specifically for the H3Q44V30 board. firmware tv box mxq pro 4k 5g placa h3q44v30 better