Once you have all parts downloaded (e.g., part1.rar through part4.rar ):

Since you are looking for Part 4 specifically, you likely already have some parts. To avoid corruption, ensure:

To download and use the file, you must ensure you have all other associated parts (Part 1, Part 2, etc.) in the same folder before extracting them together to obtain the single firmware image. 1. Download All Parts

Firmware for the CV338H-A42 board is often hosted on community forums or file-sharing sites like 4shared.

Every part must come from the same source to ensure they are versions of the same split archive.

until the progress bar reaches 100% and the TV restarts.

The software will automatically pull data from Part 4 and all other pieces to create one single file (typically a .bin or .img file). 3. Installation via USB Prepare USB: Format a USB drive to FAT32 .

Plug in and power on the TV; many boards like the will detect the file and start the update automatically.

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