Plug the TV back in while continuing to hold the Power button.

When firmware is uploaded in a multi-part RAR format (e.g., part01, part02, part03), the data is "spanned" across these files.

This specific firmware is designed for Smart TV mainboards powered by the chipset, configured for a resolution of 1366x768 with 512MB of RAM. Why You Need All Parts

The indicator light should start blinking rapidly, signaling that the update has started.