The matches (located on a sticker inside the TV on the back of the LCD panel).
This file is typically used for "USB recovery" or "USB flashing" when a TV is stuck on a logo or has a corrupted OS. Warning on Firmware Installation Download P75 338 1920x1080 512M NORTH TECH 40SMS part4 rar
The search results indicate that is a firmware specification for LED/Smart TVs, specifically for the North Tech 40SMS The matches (located on a sticker inside the
The (P75-338) is identical to your physical hardware. Download P75 338 1920x1080 512M NORTH TECH 40SMS part4 rar