Release when the upgrade progress bar appears on the screen.
Press and hold the on the TV panel (not the remote) while plugging the TV into the wall.
💡 : Never turn off the power during the update, as this can permanently "brick" the motherboard. Download CV358H B42 1920x1080 SHOWNIC part01 rar
The 1920x1080 SHOWNIC firmware is typically distributed across multiple compressed parts (like part01.rar , part02.rar ) to comply with file size limits on hosting platforms. To successfully extract the complete content , you must have all numbered parts in the same folder before opening the first one. 📥 Download Sources
: A reliable community source for CV358H series USB firmware and BIOS bin files . Release when the upgrade progress bar appears on the screen
: Move the extracted firmware file (e.g., CtvUpgrade.bin ) to the root of the USB drive (not inside any folder). Flash TV : Turn off the TV. Insert the USB.
While direct download links can expire, you can find the complete set of files on these specialized firmware repositories: : Often hosts CV358H-B42 : Move the extracted firmware file (e
: Ensure you have part01.rar , part02.rar , etc., in one directory.