If you manage to get the TV running but the colors or logo are wrong, you can often enter the factory settings using: : Menu + 1147 . TP.MS338.PB803 USB Firmware Software Bios Bin
: These files are often hosted on technician forums like the Lab-One Forum or shared via Telegram groups.
: Indicates that the full firmware was split into multiple smaller files (at least 6 parts) to make downloading easier. You must have all parts (part01 through part06) in the same folder to successfully extract the final .bin or .img file. Important Troubleshooting Tips