Samsung Fingerprint Calibration Tool !new! Official

For older models or specific carrier variants, engineers use built-in hardware diagnostic menus. Open the default app on your Samsung device.

If you have performed a screen repair using Samsung’s official self-repair program, follow these simplified steps to execute the calibration tool: Step 1: Prepare the Device Ensure your phone is charged to at least 50%.

Look for an option labeled or Calibrate . samsung fingerprint calibration tool

Several scenarios trigger this requirement:

: The alignment between the new display glass and the under-display sensor has changed. Hardware Repair : The fingerprint module itself was replaced or reseated. Sensor Failure For older models or specific carrier variants, engineers

The is a specialized diagnostic and repair utility—typically part of Samsung’s internal engineering software (e.g., Phone/CSC SEC or DeviceTest ) or available via tools like Octoplus , Z3X , or Wonderful for technicians. It is not a mainstream consumer app from the Galaxy Store.

Samsung officially provides this functionality through two primary applications: the app and its predecessor, the Galaxy Cal app. These tools are highly specialized and often require physical props, such as rubber calibration blocks, to function correctly. They are not general-purpose apps you can find on the Google Play Store for any device; they are tied to specific repair workflows. Look for an option labeled or Calibrate

For newer models like the Galaxy S21 and beyond, Samsung has integrated calibration features into their self-repair ecosystem. Self Repair Assistant App

Type the secret code: *#0*# (Note: This code is blocked by certain carrier firmware versions). Tap on the box. Scroll down to the Fingerprint Test section.

This is where the (often accessed through the Samsung Self Repair Assistant ) enters the story. It isn't just a simple "on" switch; it’s a sophisticated retraining program.

The system will run a self-test and attempt to clear and recalibrate the software cache for the sensor.