If your TV is stuck on a logo or cannot update over the internet, follow these steps: : Use a USB drive formatted to FAT32 .
: If the download is a compressed file (like a .zip or .rar), extract it using tools like WinZip or WinRAR. How to Install via USB Download RSAG7 820 6735 HISENSE H40M2600 part01 rar
: Copy only the firmware file (often named upgrade_loader.pkg or similar) directly to the root of the USB drive; do not put it inside a folder. Trigger the Update : If your TV is stuck on a logo