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Unzip the Qualcomm stock firmware package to expose the raw data images and scripts. Power off your BQ phone completely.
: Wait for the process to finish; the device will automatically restart with the new firmware. Update Device Firmware Using Windows Update
Navigate to the extracted folder and run as Administrator. Step 3: Load the Scatter File In the SP Flash Tool, click the Download tab. Click the Scatter-loading button.
: Connect the device via USB, let the tool recognize the serial number, and select either "Flash latest firmware" or "Flash other firmware". bq firmware flash tool windows 10 upd
Choose if you are performing a standard update or fixing a bootloop while preserving underlying partition structures.
The story of the BQ Firmware Flash Tool on Windows 10 is one of a once-pioneering Spanish tech company whose legacy now lives on through community-driven archives. Originally, BQ (Mundo Reader, S.L.) used these tools to support their diverse lineup, including world-first Ubuntu-powered smartphones like the Aquaris E4.5
Verify that your firmware download exactly matches your hardware model revision number.
Wait for the progress bar to reach 100%. Do not disconnect or disturb the cable during this time. This public link is valid for 7 days
Hold simultaneously to boot into Fastboot Mode . Attach the phone to a USB 2.0 port.
Download and install the and MediaTek VCOM Drivers for Windows 10.
: On Windows 10, QFIL often fails with “Sahara Fail”. Fix: Use a USB 2.0 hub and run as Administrator.
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. BQ Firmware Flash Tool User Manual | PDF - Scribd Can’t copy the link right now
is a widely-used alternative for flashing official firmware onto MediaTek-based BQ smartphones and tablets. It is recommended for devices that are not supported by the official BQ tool, such as older models like the BQ Florence BQS 4510, Aquaris M8, M10, E5, and E4.5. The SP Flash Tool supports MediaTek CPUs and is often used when the official BQ tool fails to work.
Once the flashing is successful (you will see "Finished" or "OKAY"), reboot the device:
Navigate to the tab. Click on the Scatter-loading button located on the right side of the interface. Browse to your unzipped BQ Stock ROM folder and select the text file containing _Android_scatter.txt . Step 4: Configure Flashing Mode