| Error Message | Possible Cause | Potential Solution | | :--- | :--- | :--- | | | Device not in EDL mode, or drivers aren't installed correctly. | Ensure the phone is properly booted into EDL mode and check Device Manager to confirm it shows as "Qualcomm HS-USB QDLoader 9008". | | Download Fail: Sahara Fail | Timeouts, incorrect Firehose programmer file, or spaces in folder names. | Enter EDL mode just before clicking "Download". Try a different programmer file or version of QFIL. Ensure the file path to your firmware has no spaces in its folder or file names. | | Download Fail: FireHose Fail | A general communication failure, often due to file or version mismatch. | Try using a different version of QFIL. Some users find that using the QFIL tool integrated within the Qualcomm Product Support Tools (QPST) package can resolve this. |
The tool will automatically open your firmware directory. Select rawprogram0.xml (or whichever variation is present, such as rawprogram_unsparse.xml ) and click Open.
: You must have the specific stock ROM for your device, which should include a loader file and XML program files ( rawprogram.xml 2. Implementing the Flashing Feature To execute the download/flash feature within the tool: Launch the Tool Configure Build Type "Flat Build" under the Select Build Type option. Select the Loader button to locate the programmer file (e.g., prog_emmc_firehose_xxxx.mbn ) from your firmware folder. Load XML Files "Load XML" and select rawprogram_unsparse.xml . A second window will prompt you to select the patch0.xml Connect in EDL Mode qualcomm flash loader v1.0 download
Navigate to the extracted folder and run or the Flash Loader executable as an Administrator. 2. Verify Port Connection
: Once the programmer is running, it uses the Firehose protocol to execute high-speed flashing of the actual system images to storage (eMMC or UFS). Required Installation Components | Error Message | Possible Cause | Potential
: Usually, you enter EDL mode by holding Volume Up + Volume Down simultaneously while plugging the USB cable into the PC.
The "Flash Loader" (often a .mbn or .elf file, with prog_emmc_firehose.mbn being a common variant) acts as a temporary bridge. The PC-side tool (typically QDL.exe , fh_loader.exe , or a custom GUI wrapper like QFIL) sends this loader to the device’s RAM via USB. Once loaded, the device can execute commands to: | Enter EDL mode just before clicking "Download"
Ensure your Qualcomm drivers are correctly installed. Check Device Manager to see if there is a yellow warning triangle next to the device name. If so, reinstall the drivers and reboot your PC.
Download the Qualcomm USB Driver package appropriate for your Windows architecture (x86 or x64). Extract the archive and launch the setup wizard ( .exe ).