If your TV is stuck on the logo or won't boot, use the hard reset method:
It must be completely empty except for the firmware file. Tcl Software Update Usb
proc install_firmware fw_path target_dir log_msg "Stopping application..." catch exec /etc/init.d/myapp stop If your TV is stuck on the logo
USB-based firmware updating is a reliable fallback for Tcl smart TVs when OTA fails or the TV is unresponsive. Success depends strictly on using the correct firmware file, a FAT32-formatted USB drive, and following the correct button sequence for entering recovery mode. Users should always verify model numbers and consult Tcl support if uncertain. a FAT32-formatted USB drive