Wait for the process to hit 100%. Do not turn off the power. Once finished, the TV will usually reboot or go into standby. Common Troubleshooting
You must download every single part in the sequence (usually Parts 01 through 07). Download HV553 3840x2160 part07 rar
The standby light should begin to blink rapidly, indicating the update is in progress. Wait for the process to hit 100%
If WinRAR reports a "Checksum error," you can try the "Keep broken files" option in WinRAR settings as a last resort. Common Troubleshooting You must download every single part
Ensure your TV is indeed the 3840x2160 (4K) version. Installing 2K firmware on a 4K panel can result in a "No Display" or "Upside Down" screen.
Multi-part archives (Part 01, Part 02... Part 07) work as a single unit. You cannot extract on its own. To successfully access the firmware: