Boot loop (stuck on logo) Inverted colors or upside-down image No power/No standby light

The file refers to a firmware update package (often provided as a .rar archive) for a specific Chinese LED TV universal motherboard . These boards are common in budget LCD/LED televisions from brands like Rubin, DEXP, and Daewoo.

Extract the .rar to find the allupgrade_...bin file. Installation: Copy the .bin file to a FAT32-formatted USB drive. Insert into the TV's USB port while the power is off.