Older Miracle Box units (pre-2018) may have firmware bugs that cause USB enumeration loops.

After applying, restart your PC and test the Miracle Box for 10-15 minutes of continuous activity (e.g., reading info from a connected phone).

Firmware issues can cause unstable USB port problems. To update your Miracle Box firmware:

If the USB port feels loose or disconnects when moved, try these physical repairs: Clean the Port