To flash firmware on a BQ device using Windows 10, you must first identify your device's chipset— MediaTek (MTK) Qualcomm (MSM) —as they require different tools. Preparation Backup Data
- Flashing wrong firmware hard bricks the device.
- No official support remains for BQ.
- If your device is a generic Chinese tablet rebranded as BQ, try the original brand’s tool (e.g., Allwinner, Rockchip).
Additional Resources
This is often required to install the necessary VCOM or Qualcomm drivers correctly. Use USB 2.0 Ports: Many flashing tools, especially SP Flash Tool , have known stability issues with USB 3.0 ports. Install Drivers: Download and install the MediaTek (VCOM) USB Drivers For Qualcomm: Install the Qualcomm USB Drivers 3. Flash MediaTek (MTK) Devices SP Flash Tool for these models. Extract Files: Unzip the SP Flash Tool and your stock firmware folder. Launch Tool: flash_tool.exe as an administrator. Load Scatter File: Scatter-loading and select the scatter file found inside your firmware folder. Configure: Set the dropdown to Firmware Upgrade (recommended for a clean install) and the "Preloader" option to reduce the risk of bricking. Connect & Flash:
- Commands: detect, backup, flash, verify, rollback, list-devices, update-db.
- Support scripting and CI use (return codes, machine-readable JSON output).
- Example:
- Cause: Userdata partition was not erased.
- Fix: Re-flash using the “wipe user data” option. Or boot into recovery (Volume Up + Power) and perform a factory reset manually.