Cvte-msd338-512m Smart Tv Update Upd < iOS >

Turn off the TV, plug the USB into the TV's port, and hold the Power button on the TV while plugging it back in.

| Symptom | Likely Cause | Fix | | :--- | :--- | :--- | | LED blinks 3 times, then nothing | Wrong firmware version for your panel. | Find a UPD matching your exact panel ID. | | USB light flickers, TV stays black | Bootloader is alive but display config is wrong. | Try a different USB port (USB 0 vs USB 1). | | TV powers on but ignores USB | Previous update corrupted the bootloader. | Use a Serial TTL adapter (UART) to flash via the TX/RX pins on the board. | | Progress bar stops at 99% | NAND flash has bad blocks. | Reformat USB to FAT32, block size 4096. Retry. | Cvte-msd338-512m Smart Tv Update UPD