Download P150 638v6 3840x2160 Enie Part03 Rar -

: With the TV unplugged, insert the USB. Hold the physical Power button on the TV and plug it back in. The indicator light should begin flashing rapidly, signifying the update has started.

: Move the resulting firmware file (usually named allupgrade_638...bin ) to the root directory of the USB. Download P150 638V6 3840x2160 ENIE part03 rar

For technical files like this, specialized technician forums are the most reliable sources. Note that some sites may require a registered account or a small fee to access large dumps. : With the TV unplugged, insert the USB