The tool will flash a series of images or patterns on the phone screen. The sensor reads these patterns to map the glass surface.
Look for or Normal Scan . Note: This menu is primarily for diagnostics; it may not always perform a full recalibration if the security token is missing. Step-by-Step Calibration Process samsung fingerprint calibration tool
Yes, but with a caveat. While the software is more available than ever, the process is sensitive. If you are uncomfortable using flashing tools or navigating service menus, taking your device to a is the safest bet. They use a specialized "Calibration Cube" and proprietary software to ensure the sensor meets factory security standards. The tool will flash a series of images