: Once it hits 100%, the TV should reboot automatically. Do not unplug the power during this process, as it can permanently damage the mainboard. Where to Find the Files?
Official firmware can be difficult to track down. You can check the KONKA Support Center for official regional releases, or specialized repair forums like Elektrotanya for service manuals and schematics. Download 35017861 1920x1080 Konka KDL55XS715AN part4 rar
Wait for a progress bar or "Software Updating" screen to appear, then release the button. : Once it hits 100%, the TV should reboot automatically