Samsung Fingerprint Calibration Tool Jun 2026

Follow the on-screen prompts. You may be asked to place the phone face down on a flat, dark, non-reflective surface while the optical sensor calibrates its baseline brightness.

Provide links to trusted in your area.

The tool will flash a series of images or patterns on the phone screen. The sensor reads these patterns to map the glass surface. samsung fingerprint calibration tool

A Windows computer (Mac and Linux are generally not supported).

Turn on your phone and connect it to a stable Wi-Fi network. Go to > Device Care > Diagnostics . Tap on Phone Diagnostics . Look for the Fingerprint Recognition icon. Follow the on-screen prompts

This comprehensive guide explains what this tool is, how it works, and how you can use it to restore seamless biometric security to your Samsung device. Why Does the Fingerprint Sensor Fail After a Repair?

Key in the secret code: *#0*# (Note: This code may be disabled on certain carrier-locked models like Verizon or AT&T). A grid menu will appear. Tap on . Scroll down to the FingerPrint Test section. Tap Normal Scan to check the current optical baseline. The tool will flash a series of images

If you are facing biometric issues after a repair, this comprehensive guide will explain what the tool is, when you need it, and how to use it. What is the Samsung Fingerprint Calibration Tool?

: Delete your current prints and add them again, ensuring you scan all angles of your finger. The "Double Register" Trick