Since these are typically generic Chinese-manufactured devices, there is no official central "update" portal.
Unified Download Center
Mini LED Display 992 (often associated with software version mini led display 992 software work download upd
for when the device fails to show a green connection status? mini led display 992 software work download upd
Attempting an incorrect "upd" can permanently damage the display’s motherboard. Our guide will show you precisely how to identify the correct firmware version. mini led display 992 software work download upd
: If the block doesn't turn green, try a different USB port or cable. Ensure the display is turned on while connecting.