A great source for direct server links to various board softwares. How to Install (USB Method)
Place the firmware file (often named CtvUpgrade.bin ) into the root directory of the USB drive. Download CV338 A42 EMMC rar
Plug the TV back into the outlet while still holding the button. The standby light should start flashing, indicating the update has begun. A great source for direct server links to
You can download specific versions of the firmware (rar/bin files) from trusted community sources. Make sure to choose the version that matches your TV's resolution and remote control type: Download CV338 A42 EMMC rar