✅ TV stuck on Logo screen. ✅ WiFi or Bluetooth connectivity issues. ✅ HDMI input not detected. ✅ Remote control lags/freeze.

The firmware update via USB is the primary method for customizing the board for specific panel resolutions (e.g., switching from 1366x768 to 1920x1080).

The PC detects a new device as "Sunplus SPMP3058" or "Unidentified USB Device (Vendor_04fc)" .

Insert the drive into your PC. Right-click the drive, select Format , change the File System to FAT32 , and check Quick Format . Click Start.

: Keeping the button pressed, he plugged the power cord back into the wall.

: Different power ratings exist, such as 65W or 75W , which must match your specific TV's power module. Where to Find Firmware

: Press and hold the Power button on the TV panel (not the remote) and plug the TV back into the power outlet.

Please verify your board number before flashing. Flashing incorrect firmware may brick the device. Proceed at your own risk.

Comprehensive Guide: How to Install TP.SK506S.PB802 Firmware via USB