Press and on the TV panel (not the remote).
Power off the TV, insert the USB, and hold the Power Button while plugging the TV back in. The standby light should blink to indicate the update is in progress. ⚠️ Important Considerations ldd.h350a.a75 firmware
: Copy the firmware file directly to the root directory of the USB drive. Do not put it inside a folder. Insert and Boot : Turn off the TV and unplug it from the wall. Insert the USB drive into the TV's USB port. Press and on the TV panel (not the remote)
