: Connect the flash drive to the TV's USB port (use USB 2.0 if available).
: The standby light (LED) should start flashing (usually red/green), indicating the update is in progress. Do not turn off the power during this time. Download MT5522S 3840x2160 Starsat part04 rar
: 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. : Connect the flash drive to the TV's USB port (use USB 2
: 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 : You cannot use part04
: Because firmware files for 4K Smart TVs can be large (often several gigabytes), they are often split into smaller volumes (e.g., .part01.rar through .part04.rar ) for easier hosting and downloading.
Once extracted, you will usually find the following files required for a USB update: