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: Once the LED flashes rapidly or stays solid, unplug the TV, remove the USB drive, and then power the TV back on. Where to Find Files
allupgrade_5522_8G_1G_ref56.pkg (The primary firmware package) Download MT5522S 3840x2160 Starsat part04 rar
Technical communities like KenotronTV often host these specific firmware dumps for technicians. Always ensure the panel model (e.g., HV550QUB) matches your TV’s internal sticker to avoid upside-down or distorted images after flashing. : Once the LED flashes rapidly or stays
: You cannot use part04.rar on its own. To successfully extract the firmware, you must download all parts (01, 02, 03, and 04) into the same folder on your computer. unplug the TV
Once extracted, you will usually find the following files required for a USB update: