on your PC, as this often prevents the necessary MTK and Qualcomm drivers from functioning reliably. Core Troubleshooting Steps Install Correct Drivers : Use a dedicated driver pack like the Miracle Driver Installation to specifically install MTK USB to Serial Qualcomm HS-USB QDLoader 9008 Adjust Power Settings
Open Device Manager , expand "Universal Serial Bus controllers," right-click your drivers, and select Uninstall device . Restart your PC to let Windows reinstall them automatically. unstable usb port miracle box 2.82 solution