Step Three: Possible Cause of Brick (brick type) It should now be detected as “ Qualcomm HS-USB QDLoader 9008” and the driver version 2.0.8.7 (you can check in “Device Manager”). Now connect your phone to the computer.Download QualcommDrv.zip, extract it to an empty folder, then open the folder according to your Windows type (圆4 or x86) and double click dpinst64.exe or dpinst32.exe (depending on your Windows installation) to install the Qualcomm driver.Reboot your computer, and it should now boot into test mode as shown in the screenshot below.Now, run Command Prompt as Administrator and issue the following commands, followed by the Enter button.īcdedit -set loadoptions DISABLE_INTEGRITY_CHECKS bcdedit -set TESTSIGNING ON.Alternatively, you can use REVOUninstaller to uninstall all driver related software, then use Device Remover to remove all device drivers.Uninstall from Device Manager first, then Program Manager.

Uninstall all mobile-related drivers, as well as any Qualcomm drivers (if any).Disconnect your PC’s internet connections and unplug your mobile device from the computer.This now brings us to Step Two: Preparing your Computer So, before attempting to unbrick your Qualcomm device, you need to figure out which 9008 mode your phone is in.

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