Tool | Samsung Fingerprint Calibration

On some older models or specific firmware versions, you can access internal testing tools via the dialer: Open the app. Dial *#0*# . Tap on Sensor .

Always back up your phone before running calibration tools, as they sometimes require a factory reset or "Repair Mode." samsung fingerprint calibration tool

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 On some older models or specific firmware versions,