: Sites like Pinterest (S Vijayan Vijayakumar collection) and ZainabTech host large repositories of "all resolution" firmware for the 3463 chip, which include the 1680x1050 variant.
: With the TV/Board power off, insert the USB drive into the board's USB slot. Download VST 3463 1680x1050 USB rar
: Technical discussions and direct download links for updated firmware (often hosted on Yandex Disk or Mega) can be found in the 4PDA forums . How to Install via USB : Sites like Pinterest (S Vijayan Vijayakumar collection)
: Once the light stops flashing and remains steady, the update is complete. Unplug the power, remove the USB, and restart the board. remove the USB