Use software like ASProgrammer or the CH341A Programmer tool to write the data.
Unlike a USB update, a .BIN file usually requires hardware intervention: Download DUMP STREAM LED 42L33 carte mere msd309b t9b BIN
To ensure you find the correct compatible BIN file, verify these hardware details against your specific unit: Use software like ASProgrammer or the CH341A Programmer
Because these are proprietary files, they are rarely hosted on official manufacturer sites. They are primarily shared on technician forums: Download DUMP STREAM LED 42L33 carte mere msd309b t9b BIN
Local forums that specialize in Stream System hardware.
You must either desolder the 8-pin flash chip from the motherboard or use an SOIC8 test clip to connect the programmer directly to the chip while the TV is unplugged.