It sounds like you're looking for the fourth part of a multi-part for the CV358H-B42
Use a tool like or 7-Zip to "Extract Here" on the first part (Part 01); it will automatically pull data from Part 04 to complete the extraction. Copy the resulting .bin file to a formatted USB drive.
: Sites like LED TV Softwares and community forums like Lab-One often host these multi-part RAR files. Installation Method : Download all parts (including Part 04).
Insert the USB into the TV and follow the specific boot sequence (often holding the power button while plugging it in) to start the update. About the CV358H-B42 Motherboard