Press and on the TV panel (not the remote). While holding, plug the TV back into the power outlet.
Download (usually part01 through part08 or more) into the same folder. Press and on the TV panel (not the remote)
The indicator will blink slowly during the update. Once it blinks rapidly (or changes color), the process is complete. Press and on the TV panel (not the remote)
The resulting file is typically named allupgrade_5522_8G_1G_ref56.pkg or similar. 📺 Installation Guide (USB Method) Press and on the TV panel (not the remote)