In the age of advanced smartphone technology, fingerprint sensors have become a popular and secure method of unlocking our devices. The Samsung Galaxy A32 5G boasts an impressive fingerprint sensor, which allows users to unlock their phones effortlessly. However, like any technology, it may encounter some issues from time to time. One common problem faced by Samsung Galaxy A32 5G users is the “Fingerprint sensor calibration needed” error message, which prevents them from using this convenient unlocking method.

samsung galaxy a32 5g
samsung galaxy a32 5g

In this Tutorial, we will explore the reasons behind this issue and provide a step-by-step tutorial to help you solve it.


Why Does the “Fingerprint Sensor Calibration Needed” Message Appear?

Before diving into the solution, it’s essential to understand why the “Fingerprint sensor calibration needed” message pops up. Several factors can cause this problem, including:

  1. Dirty or Damaged Fingerprint Sensor: Dust, dirt, or debris accumulated on the fingerprint sensor can interfere with its functionality. Additionally, physical damage to the sensor can hinder accurate readings.
  2. Software Glitch: Occasionally, a software glitch or bug can lead to the fingerprint sensor calibration issue, making it necessary to recalibrate the sensor.
  3. Fingerprint Changes: If you’ve recently suffered from a minor injury or your fingers have undergone significant changes, such as cuts, burns, or dry skin, the sensor may struggle to recognize your fingerprint.

Step-by-Step Tutorial to Resolve the “Fingerprint Sensor Calibration Needed” Issue:

Let’s now delve into the step-by-step guide to address the problem effectively:

Step 1: Reboot Your Phone Start with a simple solution: restart your Samsung Galaxy A32 5G. Rebooting the phone can resolve minor software glitches that might be causing the fingerprint sensor calibration problem.

Step 2: Clean the Fingerprint Sensor Ensure that your fingerprint sensor is clean. Use a soft, lint-free cloth to wipe the sensor gently. Avoid using harsh chemicals or abrasive materials, as they may damage the sensor.

Step 3: Delete and Re-register Your Fingerprint If the cleaning didn’t work, it’s time to delete your existing fingerprint data and re-register it.

Follow these steps:

  1. Go to “Settings” on your Samsung Galaxy A32 5G.
  2. Select “Biometrics and security.”
  3. Tap on “Fingerprint Scanner.”
  4. Enter your PIN, pattern, or password to continue.
  5. Choose “Remove fingerprints” and confirm your action.
  6.  Once removed, select “Add fingerprint” and follow the on-screen instructions to re-register your fingerprint.

Step 4: Update Software Ensure that your phone’s software is up to date. Manufacturers often release updates that include bug fixes and optimizations.

To check for updates:

  1. Go to “Settings.
  2. Scroll down and select “Software update.
  3. Tap on “Download and install” if an update is available.

Step 5: Safe Mode Test In Safe Mode, your phone runs with limited functionalities, allowing you to determine if a third-party app is causing the fingerprint calibration issue.

To boot into Safe Mode:

  1. Press and hold the power button until the power options appear on the screen.
  2. Press and hold the “Power off” option until a pop-up appears.
  3. Select “Safe Mode” and confirm.
  4. Check if the fingerprint sensor works in Safe Mode. If it does, the issue may be due to a third-party app. Restart your phone to exit Safe Mode and identify the problematic app by uninstalling them one by one.

Step 6: Factory Reset If none of the previous steps work, performing a factory reset may resolve the issue. However, remember to back up your data before proceeding, as a factory reset will erase all your data and settings.

To factory reset your Samsung Galaxy A32 5G:

  1. Go to “Settings.
  2. Scroll down and select “General management.”
  3. Tap on “Reset.
  4. Select “Factory data reset.
  5. Choose “Reset” and then “Delete all.


In conclusion
Fingerprint sensors have revolutionized smartphone security, offering convenience and reliability to users. However, if you encounter the “Fingerprint sensor calibration needed” error message on your Samsung Galaxy A32 5G, don’t panic. Start with the basic troubleshooting steps, such as cleaning the sensor and restarting your phone. If the problem persists, re-register your fingerprint, update your software, and test in Safe Mode to identify any potential app-related issues. In extreme cases, a factory reset might be necessary to resolve the problem. By following this step-by-step tutorial, you can hopefully restore the functionality of your fingerprint sensor and enjoy the seamless unlocking experience once again.
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By Jake Anderson

I’m Jake Anderson who is passionate about technology, reading books, blogging and sports. If you want to read my blog you can read my profile creation blog.