Manual firmware updates for these LED TVs are typically performed via USB when the TV is stuck on a logo or experiencing software glitches.
The provided file string refers to the for the Eurostar 32DN4 LED TV , specifically targeting models using the TP.R69 PD64 mainboard with a 1366x768 screen resolution. Firmware Overview
Download all parts (Part 1, 2, and 3) into the same folder. Extract Part 1 using software like WinRAR; it will automatically combine and extract the full .bin file.