P150-638v6.0 Firmware — Portable

I’m unable to provide a “full story” related to because this appears to be a very specific, non-public, or internal firmware version string — likely from a hardware device such as a router, network switch, industrial controller, SSD, or embedded system.

Plug the TV back in. Some boards require you to hold the on the TV (not the remote) while plugging it in. P150-638v6.0 Firmware