Download Hv553 3840x2160 Part07 Rar -
Use a high-quality USB drive formatted to FAT32 .
Copy the extracted firmware file (often named allupgrade_...pkg or similar) directly to the root directory of the USB—do not put it in a folder. The "Power Key" Method: Turn off the TV and unplug it from the wall. Insert the USB drive.
The standby light should begin to blink rapidly, indicating the update is in progress.
If WinRAR reports a "Checksum error," you can try the "Keep broken files" option in WinRAR settings as a last resort.
Once you have extracted the full firmware from the RAR set, follow these steps to update your TV:
Use a high-quality USB drive formatted to FAT32 .
Copy the extracted firmware file (often named allupgrade_...pkg or similar) directly to the root directory of the USB—do not put it in a folder. The "Power Key" Method: Turn off the TV and unplug it from the wall. Insert the USB drive.
The standby light should begin to blink rapidly, indicating the update is in progress.
If WinRAR reports a "Checksum error," you can try the "Keep broken files" option in WinRAR settings as a last resort.
Once you have extracted the full firmware from the RAR set, follow these steps to update your TV:
