: The Official Android SDK Platform-Tools is the only 100% safe way to use Fastboot and ADB.
fastboot -w
Remove patterns, PINs, and password locks without needing the original credentials.
If you want to perform a via Fastboot (the equivalent of what such a tool would do), follow these steps.
: A community-maintained, minimal version of the official tools that is safer and updated more frequently than the Reset Tool.