: Format a USB drive (8GB or less recommended) to FAT32 .
: 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. Download CV358H B42 1920x1080 SHOWNIC part01 rar
firmware for various resolutions, including the 1920x1080 version . : Format a USB drive (8GB or less recommended) to FAT32
: Ensure you have part01.rar , part02.rar , etc., in one directory. Insert the USB
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
: Pages like Smart TV Doctor frequently share archive links for specific board revisions . 🛠️ Extraction & Installation Steps
While direct download links can expire, you can find the complete set of files on these specialized firmware repositories: : Often hosts CV358H-B42