Launch the executable on your Windows 10 PC as an administrator.

Select the .inf file corresponding to your Windows 10 architecture (x64 or x86) and complete the installation wizard. Installing Qualcomm Drivers: Extract the Qualcomm QDLoader driver package. Run the setup executable ( .exe ) file as an administrator.

Extract both the archive and the BQ MediaTek Firmware archive onto your PC.

To use the BQ Firmware Flash Tool:

There isn't just one tool for all BQ devices. The correct method depends on the processor your phone uses. There are two main routes:

required for the computer to talk to a phone in its low-level "flash mode". Users must restart their PC into a special mode to temporarily disable these signatures before they can even begin the flashing process. 2. Identifying the "Brain" (MTK vs. Qualcomm)

The tool will recognize the device, a red progress bar will appear, followed by a yellow bar showing data transfer.

In the drop-down menu directly below the scatter file path, ensure Download Only is selected. Do not choose "Format All + Download", as this will erase your device's unique IMEI numbers and network calibration data.

Faulty USB connection, lack of VCOM driver registration, or a dead battery.

Premium BQ models feature Qualcomm processors. These devices utilize (Qualcomm Product Support Tool) or QFIL (Qualcomm Flash Image Loader). Qualcomm flashing relies on putting the device into Emergency Download Mode (EDL), allowing the tool to write raw partition images directly to the storage chip. Critical Prerequisites Before Flashing

Select , click Have Disk , and browse to your extracted MTK driver folder.

Select if Windows Defender displays a digital signature warning. Restart your PC to finalize the driver installation. Step 2: Extract the Firmware