: Look for the exact model and board number (PB775) on BadCaps or Lab-One . These sites often have threads where users share verified dump files for specific panel resolutions like 1920x1080.
: Ensure the dump matches your exact screen resolution (1080p). Using a 720p dump on a 1080p panel can cause display distortion or "solarization" effects. Download S512 PB775 1920x1080 TCL Dump rar
Because this is technical firmware (often a .bin or .rar containing the SPI Flash data), it is rarely hosted on official TCL support sites. You can typically find it on these platforms: : Look for the exact model and board