: Specifically the CM2 SCR tool is highly effective for Spreadtrum feature phones to reset privacy locks without losing all data in some cases.
: Allows you to clear Factory Reset Protection (FRP) and remove user passwords or patterns with a single click. Dead Device Recovery Spd 6531e Format Tool
: If the tool doesn't start, ensure you are holding the correct boot key. Without it, the PC will only see the device as a charging unit, not a flashable COM port. Key Resources General Guide SPD Flash Tool Overview provides a breakdown of how the tool handles PAC files. Technical Discussions : Forums like : Specifically the CM2 SCR tool is highly