If you have a brand-name TV (like Haier or Westinghouse), check their official "Support" or "Downloads" section first using your serial number. How to Use the MStarUpgrade.bin File
Press and on the TV (not the remote).
Do not turn off the power until the TV reboots itself. Common Risks and Tips mstarupgradebin link
Use a small USB drive (8GB or 16GB is best). Format it to FAT32 . If you have a brand-name TV (like Haier
Sometimes the TV expects a different name, like allupgrade_ms638_8G.bin . Check the documentation provided with your specific link. Conclusion mstarupgradebin link
While holding the button, plug the TV back into the power outlet.