Downloading and installing multi-part firmware for the (3840x2160) requires careful preparation, as using the wrong firmware version for your specific panel can permanently damage your TV. 1. Download & Prepare Firmware Files
: The standby LED should begin flashing (often red/green or fast red), indicating the update is in progress. Download MT5522S PC822 3840x2160 Telefunken part04 rar
: Use a high-quality USB flash drive and format it to FAT32 . : Use a high-quality USB flash drive and format it to FAT32
Large firmware files are often split into multiple parts (e.g., part01.rar through part04.rar ). The software will automatically pull data from all
Select . The software will automatically pull data from all other parts (including part04 ) to create a single usable file, typically ending in .pkg or .bin . 2. Prepare the USB Drive
Follow these steps to update the board via USB: Power Down : Unplug the TV from the wall outlet.