After extraction, you should find a file named MstarUpgrade.bin .
Use a tool like WinRAR or 7-Zip to extract the .rar file. Download MSA6380 ZC01 3840x2160 KIVI rar
Updating or reinstalling this firmware is typically done via USB to fix software hangs, "boot loops," or system errors. Mainboard Technical Specifications MSA6380-ZC01-01 After extraction, you should find a file named MstarUpgrade
Do not turn off the power during this process. The TV will restart automatically once the update is complete. How to Update Android TV Box Firmware Manually Download MSA6380 ZC01 3840x2160 KIVI rar
Place the MstarUpgrade.bin file directly in the root directory of the USB drive (do not put it in a folder). USB Installation Procedure