- Mtk USB Driver here
- Sp Flash Tool here or here
- DZ09 Firmware here
2. Install mtk USB Driver.
3. Open Flash Tool and click Scatter/Config File.
4. Browse to DZ09 firmware you downloaded and select cfg file.
6. Power off your DZ09 smartwatch then connect it to your PC. The flash process begins automatically. And wait until you see a Green Circle showing that flashing completed.
Warning:
* Do not disconnect your smartwatch while flashing.