Turn on the power. The IR indicator light on the TV will typically start blinking rapidly, signaling the update is in progress.
Once you have downloaded and extracted the file, follow these steps to flash the firmware: Download R83 03C 1366x768 General USB rar
Wait until the blinking stops or turns into a solid light (usually takes less than 1 minute). Unplug the USB drive and restart the TV using the remote. Critical Tips Turn on the power