Qfil Failed To Open Com Port Handle Direct

Have you tried a different and a different USB cable ?

Is the device hard-bricked (black screen) or soft-bricked (bootloop)? What Windows version are you currently running?

Use an original or high-quality, data-certified USB cable. Avoid magnetic cables or extra-long extension cords.

This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later.

Windows Core Isolation or Driver Signature Enforcement blocking the communication handle. qfil failed to open com port handle

If the quick fixes fail, the issue almost certainly lies within how Windows handles the Qualcomm driver. 1. Reinstall the Qualcomm QDLoader 9008 Driver A corrupted registry entry can break the COM port handle. Disconnect your phone.

If your device is stuck in a boot loop or a soft-brick state, it might drop out of EDL mode right as QFIL tries to open the port. Open and keep it visible on your screen.

: Verify that the "Programmer Path" in QFIL points to the correct file for your specific device model.

Select "Browse my computer for drivers" > "Let me pick from a list..." Select a Qualcomm driver, click Next, and install. 3. Change USB Ports and Cables Have you tried a different and a different USB cable

Finally, ensure the physical connection is stable.

Hold down the while clicking Restart in the Windows Start Menu.

On desktop computers, always plug into the motherboard ports on the back of the tower.

Another software or process is actively using or blocking the same COM port. Use an original or high-quality, data-certified USB cable

Raj frowned. He unplugged the USB cable, held his breath for ten seconds (a ritual), plugged it back in. Device Manager chirped. COM14 reappeared. He tried again.

Another software background process is actively hijacking or monitoring the same COM port.

I'm trying to flash firmware using QFIL (Qualcomm Flash Image Loader) but I keep getting this error: