This indicates that the flashing has completed (Rapid blinking in blue).
If you've repeated the process several times and the result is the same, then you need to connect UART (to identify the issue) and proceed with the UART flash method.
This indicates that the flashing has completed (Rapid blinking in blue).
If you've repeated the process several times and the result is the same, then you need to connect UART (to identify the issue) and proceed with the UART flash method.