The error message is a critical status indicator typically seen during the serial recovery or flashing process of a Set-Top Box (STB). It essentially means the device is stuck in its initial boot phase, waiting for a specific handshaking command (often 0x7F or a "GET" request) over the UART (serial) interface. The Story: Reviving a "Brick"
The bootrom is stuck in a loop waiting for a specific command signal (a "GET" or handshake packet) from your computer's flashing tool. Please Check STB UART: The device is telling you t bootrom error wait for get please check stb uart receive hot