Use a high-quality USB drive formatted to FAT32 .
If you have obtained the firmware file (usually an .bin or .img file), the update process generally follows these steps: P50-368v5.0 Software Download
Primarily used in China, Southeast Asia, and the Middle East. Use a high-quality USB drive formatted to FAT32
After replacing a board, the screen may appear distorted or split if the software isn't matched to the panel's specific resolution. P50-368v5.0 Software Download