If you can tell me the (printed on the sticker behind the screen), I can help you find the exact single-file firmware for your specific TV.
If you cannot find "part3.rar," the entire archive is unusable. You must find a single-file download or a complete set of parts from the same source. Download CV338H A42 1366x768 Intex part3 rar
If the TV is stuck on the Intex logo, it usually indicates a corrupted firmware or a mismatch in the panel resolution. If you can tell me the (printed on