With driver signature enforcement disabled, you can now install the drivers:
If the device is not detected, hold the or Volume Up button while connecting the cable. Step 6: Finalization
Change your USB cable or switch to a USB 2.0 port. USB 3.0 ports frequently cause connection drops with flashing utilities.
Using the BQ Firmware Flash Tool on Windows 10 is relatively straightforward. Here's a step-by-step guide to help you use the tool: bq firmware flash tool windows 10 upd
This error happens if the partition table on the phone differs from the new firmware file. Change the dropdown menu selection in the Flash Tool from "Download Only" to "Firmware Upgrade" and try again. Conclusion
Warning: Avoid selecting "Format All + Download" unless absolutely necessary, as this option can erase your device’s unique IMEI numbers and NVRAM calibration data.
A: Yes, the “upd” version works on Windows 11 as well (backward compatibility mode). The same driver signature enforcement disabling applies. With driver signature enforcement disabled, you can now
Re-examine the Windows Device Manager. Look for yellow exclamation marks under "Ports" or "Other Devices". If present, reinstall the drivers with driver signature enforcement disabled.
Explain how to to prepare your device.
Once the process is complete, disconnect your phone and power it on. The first boot may take several minutes—this is normal! for your BQ model? How to Update Your Computer's Firmware in Windows 11/10 Using the BQ Firmware Flash Tool on Windows
Connect your device using an original or high-quality USB cable. Avoid loose USB ports on your PC; using a USB 2.0 port on the back of a desktop computer is highly recommended for stability.
Watch Device Manager for a new entry under "Ports" or "Other Devices" (often appearing as MT6xx or Qualcomm HS-USB ).