: Place the extracted firmware file directly into the root of the USB drive (not inside a folder). Start the Update : Unplug the TV from the power outlet. Insert the USB drive into the TV's USB port.
To download the firmware for the Polarline 50PU11TC (often listed as 50PU11TC-SM : Place the extracted firmware file directly into
Release the button when the indicator light starts flashing, signaling the update has started. To download the firmware for the Polarline 50PU11TC
on the TV panel, then plug the power cord back in. Unplug the TV, remove the USB drive, and
: Wait for the indicator to flash rapidly (often alternating colors). Unplug the TV, remove the USB drive, and wait a few minutes before turning it back on. Important Notes
If you have successfully downloaded all parts and extracted the .pkg file (usually named allupgrade_5522_8G_1G_ref56.pkg ), follow these steps provided by KenotronTV : : Format a USB flash drive to FAT32 .