Release the button once the indicator light starts flashing rapidly, indicating the update has begun.
: Place the extracted firmware file (usually named allupgrade_338_4G.bin or similar) into the root directory of the USB drive. Initiate Flash : Turn off the TV and insert the USB drive. Download CV338H T50 3840x2160 Starlight part4 rar
: Firmware updates for these boards are typically used to fix "boot loop" issues, stuck logos, or to upgrade the Android version. Release the button once the indicator light starts