The firmware is built for a specific hardware configuration commonly found in early North Tech smart TVs: North Tech NT-32SMS Mainboard: Resolution: 1366 x 768 (HD). RAM Memory: 512MB. Operating System: Typically Android 4.4 (KitKat). Firmware Update Overview
North Tech provides official system files and manuals on their Soporte (Support) page . Download P75 338 1366x768 512M NORTH TECH 32SMS part1 rar
The exact file mentioned is often hosted on the North Tech 32" LED SMART TV SMS series page under the "Software / Firmware" section. Installation Guidelines The firmware is built for a specific hardware