: Restoring stock ROMs, upgrading or downgrading firmware, and fixing "bricked" devices.

BQ Aquaris X5 Plus (Android 7.1.1 → 8.1 Oreo) Firmware size: 1.8 GB Flash time: ~4 minutes 20 seconds over USB 2.0

: Must be specific to your exact BQ model.

You must flash partitions one by one. Do not mix up these commands or filenames.

The BQ Firmware Flash Tool (often labeled BQ_Flash_Tool.exe ) is a rebranded variant of the or ResearchDownload tool , depending on the chipset. It allows you to:

icon will appear on the screen once the flashing process is successfully completed. Important Considerations Hardware Port : It is often recommended to use a USB 2.0 port