The is a high-definition smart TV motherboard (often using the Android platform) common in budget LED TVs. "Firmware Top" generally refers to the main software/OS required to initialize the hardware, manage the UI, and support apps like YouTube or Netflix.
Esc or Ctrl+C within 3 seconds).sysinfo
or
cat /proc/thv/version
Download thv_flasher.exe (Windows) or thv_fw_cli (Linux/macOS). thv55381 firmware top
VER or AT+VER (depending on your manufacturer) and press Enter.THV55381_FW_v1.2.4_Build_20230721.Here is a likely "story" of how a firmware update for a device like that would go down: 1. The Glitch in the Machine Power on the device