Do not turn off the TV until the process finishes. The TV will typically reboot automatically once the update is complete. Where to Find Files
This model refers to a popular . It integrates the main processing unit, power supply, and LED driver into a single board, commonly found in 43-inch to 55-inch UHD TVs from brands like Hisense and Skyworth. Descargar MT5522 PC821 3840x2160 USB part02 rar
If you have successfully extracted the firmware, the general update process is as follows: Do not turn off the TV until the process finishes
Place the extracted firmware file (e.g., allupgrade_5522_sos.bin ) directly into the root directory of the USB drive—do not put it in a folder. Initiate Update: Power off the TV completely. Insert the USB drive into the TV's USB port. It integrates the main processing unit, power supply,
Hold down the on the TV (not the remote) and plug the TV into the AC outlet.
Because firmware files for 4K smart TVs can be quite large, they are often split into smaller volumes (Part 01, Part 02, etc.) for easier uploading and downloading.
Once all parts are present, right-click the first part to extract the full .bin or .img firmware file. Installation Procedure via USB