Once you have the extracted file (e.g., allupgrade_5522_8G_1G_ref56.pkg ), follow these steps:
: The TV will typically restart automatically once finished. Do not turn off the power during this process.
: Firmware for this board is often large and split into multiple parts (e.g., part1 to part10) for easier uploading/downloading on specialized technician forums like Receiver Pro or KenotronTV . How to Use the Part10.rar File Download MT5522S PC822 3840x2160 Telefunken part10 rar
: Designed for 3840x2160 (4K UHD) panels, such as the HV550QUB-N5L used in various 55-inch models.
: Format a USB flash drive (at least 8GB) to FAT32 . Once you have the extracted file (e
Release the button when the indicator light starts blinking rapidly, indicating the update has started.
: Copy the extracted firmware file directly to the root of the USB drive (not inside any folder). Flashing Process : Power off the TV and unplug it from the wall. Insert the USB drive into a USB 2.0 port. How to Use the Part10
The file is one segment of a multi-part archive containing the USB firmware (software) for Telefunken 4K UHD Smart TVs using the TP.MT5522S.PC822
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