In the field, click choose and browse to your device's stock firmware folder. Select the text file ending in _Android_scatter.txt . Go to Options > Connection within the tool settings: Change the connection type to UART .

If you encounter issues during the process, let me know the or your phone model and CPU so I can provide targeted troubleshooting steps. Share public link

Unlocking via SP Flash Tool is a technical procedure that transforms a consumer device into a developer platform, but it demands a high degree of technical literacy to avoid rendering the device inoperable.