Compare it to the official hash published on the OEM’s website.
Most YT9260 units have a hidden settings menu. This is the control room for your hardware. yt9260ver11 firmware top
The firmware files (usually named xyauto_... ) are placed on a FAT32-formatted USB stick. Compare it to the official hash published on
Go to Settings > System > About Device . Look for the "Kernel" or "Build" number to ensure it matches the YT9260_VER11 string before flashing. yt9260ver11 firmware top