Tpd.rt2841.pb772 Firmware -

If the device is completely dead (no LED, no boot):

Copy the firmware file to the root directory of the USB drive (do not put it in a folder). Initiate Update: Power off the TV and unplug it. Insert the USB drive into the TV's USB port. Press and hold the physical Power Button on the TV (usually located underneath or on the back). While holding the button, plug the TV back in. Tpd.rt2841.pb772 Firmware

Runs on an Android-based platform (often Android 8.0 or 9.0 for TCL versions). If the device is completely dead (no LED,