: The device is stuck in a low-level communication mode, waiting for a command or firmware image over the UART (Serial)
The error message "" typically occurs during the firmware flashing or recovery process of a Set-Top Box (STB) when the device's Boot ROM is waiting for a command via the UART (serial) interface that it hasn't received. : The device is stuck in a low-level
To fix the problem, you must first understand the language of the machine. The error string is not random; it is a status code from the . If you want, provide the UART boot log
If you want, provide the UART boot log and the device model/SoC and I’ll give a targeted recovery plan. If you want
To solve this, you aren't hacking Google's security; you are tricking the CPU into thinking it is in Factory Mask ROM Mode, which ignores the verification step.