Windows often blocks unsigned third-party drivers. If you run into installation issues, temporarily disable Windows Driver Signature Enforcement via the Advanced Startup menu. Once disabled, install the Qualcomm USB Driver package and restart your computer. Step 2: Boot the Device into EDL Mode (9008)
Step 1: Install Drivers and Disable Driver Signature Enforcement
Open the folder, right-click on the primary executable file ( Qfl_Loader.exe ), and select . How to Use Qfl Qualcomm Flash Loader V1.0 Qfl Qualcomm Flash Loader V1.0
Download and extract the utility archive to a accessible directory.
: The handshake between the PC and the phone failed because the device timed out in EDL mode. Unplug the device, perform a hard reset by holding the power button, re-enter EDL mode, and start the software process over quickly. Windows often blocks unsigned third-party drivers
The tablet’s USB re-enumerated. A new device appeared: Qualcomm HS-USB Diagnostics 900E .
If QFIL hangs at Sahara but the device is detected as 9008, close QFIL, unplug the device, reboot Windows, then try again. Memory leaks in V1.0 are common after multiple failed attempts. Step 2: Boot the Device into EDL Mode
: If the device boots to the OS with USB Debugging on, execute adb reboot edl via a command prompt.