Most people get stuck here. Follow these rules strictly:
Connect the DC power adapter alongside the USB cable if the port is weak. Most people get stuck here
The upgrade tool is set to a COM port that does not match the actual port of your RS232 or USB-to-UART adapter. Driver Issues: Driver Issues:
. It indicates a communication failure where the PC-based flashing tool is waiting for a "handshake" or response from the device's processor (CPU) that never arrives. STMicroelectronics Community Common Causes Incorrect Serial Port (COM): Avoid excessively long cables which can cause signal
Resolving the "bootrom error wait for get please check stb uart receive google" issue requires a systematic approach:
: Use a high-quality USB Male-to-Male cable. Avoid excessively long cables which can cause signal degradation.
: Turn on or restart the STB only when the tool displays "wait".