Follow these step-by-step instructions to run the update. Do not touch the remote or unplug the power cord during this process.
The USB method is the standard for updating or "flashing" a Hyundai TV's firmware. This procedure is used to recover the device when it's not possible to perform the update from the menu, such as with boot failures, logo freezes, or system crashes. Hyundai Tv Firmware Download
Yes, this is a classic “boot loop” caused by corrupted firmware. If you can access the emergency recovery mode (via button combinations on the TV panel), reinstalling the firmware will usually fix it. Follow these step-by-step instructions to run the update