Navigate to > Advanced Options > Startup Settings . Click the Restart button.
Miracle Box sometimes struggles to detect ports assigned higher than COM10. If Device Manager assigns a high number, open the port properties, navigate to Advanced Settings , and manually reassign it to a free port between COM1 and COM8 . su2serial port driver miracle box
Close all other background flashing applications. Unplug the Miracle Box USB cable, wait 5 seconds, plug it into a different physical USB port, and click "Scan" in Miracle Box again. Navigate to > Advanced Options > Startup Settings
Click if Windows warns about signature issues. If Device Manager assigns a high number, open
Choose , then click Let me pick from a list of available drivers on my computer .
, the driver requires manual intervention because the automatic setup might fail due to driver signature requirements. Su2serial Port Driver Miracle Box Portable
You will likely see an "Unknown Device" or "SciU2S" appear under "Other Devices."