: The device is in a listening state, waiting for the computer to send the 0x7F (Get) command to initiate data transfer.
—the read-only code that runs first upon power-on—is waiting for a specific initialization command ("Get") via the UART (Universal Asynchronous Receiver-Transmitter) : The device is in a listening state,
: If the error persists, swap the RX and TX pins or check for a loose ground (GND) connection. STMicroelectronics Community : The device is detecting that it isn't
If you want, provide the UART boot log and the device model/SoC and I’ll give a targeted recovery plan. It indicates that the flashing utility is waiting
: The device is detecting that it isn't receiving data properly through its Universal Asynchronous Receiver-Transmitter (UART) serial pins. This often points to a hardware issue like a loose cable, an incorrect baud rate, or a faulty USB-to-TTL adapter.
. It indicates that the flashing utility is waiting for a "handshake" signal from the device that it is not receiving. Understanding the Error Components Wait for 'GET'
While holding the button, plug the power back in and keep holding for 15 seconds. If the recovery menu appears, select "Wipe Data/Factory Reset." 2. Check Your Connection (For Flashing)
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