Press and hold the Power Button on the TV panel (not the remote) while plugging the TV into the power outlet. Keep holding until the screen says "Software Updating" or similar, then release.
Inside the extracted folder, look for a file ending in .pkg , .bin , or sometimes a single large unzipped file simply titled upgrade_loader.pkg .
Leave the USB flash drive untouched until the TV completely finishes the update and reboots to the home screen. hisense firmware update usb
Allows you to install specific, authorized firmware versions from Hisense Support.
Try the following in order:
Hisense rolls out updates in phases. A newer version may exist for your exact model in another country. Flashing via USB lets you bypass the queue.
The TV will scan the drive, detect the firmware file, and ask for confirmation. Select . Press and hold the Power Button on the
Verify that the USB drive is formatted to FAT32. Ensure the firmware file is extracted from the .zip archive and placed in the main root directory without any folder structure.