Hold down the on your keyboard while clicking Restart in the Windows Start Menu. Your PC will reboot into the Advanced Startup Options menu.
To make sure you have the correct files, what is the of your BQ device (e.g., Aquaris X, M5, U2)? Also, is the device totally unresponsive (bricked) or just stuck in a boot loop ? Share public link bq firmware flash tool windows 10
The tool will detect the device, and a progress bar at the bottom will begin turning red, yellow, or yellow-green. Release the volume key once the progress bar starts moving. Hold down the on your keyboard while clicking
After a successful flash, disconnect your BQ device and hold down the button to boot it up. The initial boot cycle can take anywhere from 5 to 10 minutes as the fresh operating system initializes the cache system files. Once the setup wizard appears, your BQ device is successfully restored to factory stock conditions. Also, is the device totally unresponsive (bricked) or
A stable connection is critical. Use a high-quality, original USB cable connected directly to a motherboard port (avoid external USB hubs).
The computer sees the device preloader but cannot write to it. Try running SP Flash Tool explicitly as an administrator, or re-verify that Windows 10 driver signature enforcement is disabled.