The following blog post outlines everything you need to know about the board, from technical specs to step-by-step flashing instructions. How to Download and Flash CV338H-A42 EMMC Firmware
Plug the USB into the TV. While the TV is unplugged from power, press and hold the Power button on the TV panel. Download CV338 A42 EMMC rar
Provides USB updatable firmware for the 512MB/4GB model. The following blog post outlines everything you need
Plug the TV back into the outlet while still holding the button. The standby light should start flashing, indicating the update has begun. Provides USB updatable firmware for the 512MB/4GB model
Once the progress bar finishes, the TV will restart automatically. Pro-Tips & Troubleshooting
Place the firmware file (often named CtvUpgrade.bin ) into the root directory of the USB drive.
To download the firmware for the , you can find the latest software packages and installation guides on platforms like Receiver Pro or Software-Zon .