Sometimes the software internal settings are conflicting with the OS.
If you’re seeing the USB port drop only during flash (not at idle), it’s almost always power or cable length. Try the hub first — it saves hours. unstable usb port miracle box 2.82 solution
USB Ports Not Working on Windows: Solve Common USB Issues | Dell US USB Ports Not Working on Windows: Solve Common
: If the physical connection feels "wiggly," you can sometimes use a thin tool to gently bend the internal pins down slightly for a tighter fit (ensure the computer is off before attempting this). : If the tool behaves erratically, some users
: If you are working with MTK devices, ensure the VCOM and Preloader drivers are correctly installed. On 64-bit systems, you may need to disable driver signature enforcement to allow Miracle Box to detect the preloader.
: If the tool behaves erratically, some users suggest moving the Miracle Box folder out of the C: Drive to a different partition to avoid permission-based connection drops.