Plug your prepared flash drive into the primary USB port on the board.

Ensure your TV is plugged into a stable power outlet. Power loss during flashing will destroy the mainboard's SPI flash memory. 2. Formatting the USB Drive

Locate the primary recovery file, typically named .

While holding the power button, plug the TV back into the wall outlet.

Watch the standby indicator LED light on the front of the TV.

Copy the raw .bin file directly to the of the USB drive. Do not place it inside any folders. Safely eject the USB drive from your computer. 🔌 Step 2: The USB Link Flashing Procedure

button on the TV (or simply plug it in if the board supports auto-detect) Monitor the LED:

What is the sticker on the back of the screen?

: You can find various versions (resolution-specific, e.g.,

Measure the voltage across the outer pins of the USB port on the board. It must read a steady 4.9V to 5.1V. If it reads significantly lower, the USB power distribution IC on the TPSK506SPB802 board is blown.

: You can verify the hardware version by checking the Device Manager on a PC if the board is connected via a service tool, but for most users, the physical label on the board is the most reliable.

: Press and hold the Power button on the TV panel (not the remote) and plug the power cord back in. Continue holding until the standby light starts flashing or the upgrade progress bar appears.

To prevent bricking the board or breaking the USB link in future repair cycles, always follow these rules:

While continuing to hold that button down, plug the AC power cord back into the wall outlet.

After the TV reboots, you may encounter common issues.

Follow these steps exactly to link your USB drive to the board and initiate the automated installation.