Samsung Fingerprint Calibration Tool ^new^ May 2026

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 .

In the past, this was a proprietary tool available only to authorized technicians. However, with the rise of movements and Samsung’s partnership with sites like iFixit, the software has become more accessible to DIY enthusiasts. Why is Calibration Necessary? samsung fingerprint calibration tool

New glass has different light transmission properties (for optical sensors) or acoustic impedances (for ultrasonic sensors). Calibration tunes the sensor to "see" through the specific piece of glass installed. How to Access the Calibration Tool On some older models or specific firmware versions,