Download all RAR parts. Right-click "part1.rar" and select "Extract Here" (this automatically pulls data from the other parts).
The specific firmware for the (1366x768 resolution) used in Zephir LED TVs is generally found on specialized electronics repair forums rather than official manufacturer sites.
A direct USB Firmware Bios Bin is hosted on a Google Drive link via this forum. Download CV338H U42 1366x768 ZEPHIR part1 rar
Use a FAT32-formatted USB drive (ideally 4GB or 8GB).
Because these files are often split into multiple RAR parts (like the "part1.rar" you're looking for), you must download (e.g., part1, part2, etc.) into the same folder before you can successfully extract the .bin or .img file. Where to Find the Download Download all RAR parts
Release when the standby LED starts flashing rapidly, indicating the update has started.
" firmware; search their site for the specific 1366x768 Zephir variant. A direct USB Firmware Bios Bin is hosted
for related boards like the CV338H-C42, which can sometimes be cross-compatible if the panel resolution matches.