This is another highly reputable source for the " CV338H-U42
A direct USB Firmware Bios Bin is hosted on a Google Drive link via this forum. Download CV338H U42 1366x768 ZEPHIR part1 rar
Press and hold the button on the TV while plugging it back in. This is another highly reputable source for the
Release when the standby LED starts flashing rapidly, indicating the update has started. indicating the update has started.