How to unlock your Aadhaar biometric data

mAadhar App

The Aadhaar biometric lock serves as a protective measure, allowing you to deactivate the use of biometric authentication for your Aadhaar card. In practical terms, this feature ensures that your fingerprint and iris scan data cannot be employed for identity verification. There are several circumstances where you might find it necessary to unlock your Aadhaar biometric, such as when you’ve temporarily locked it for security reasons, but now wish to utilize Aadhaar authentication services once more. Now, you can also apply Aadhaar Card for children up to 15 years.

To unlock your Aadhaar biometric, you have two options: you can either visit an Aadhaar enrollment center or utilize the online Aadhaar portal.

Here’s a step-by-step guide on how to unlock your Aadhaar biometric data:


  1. Begin by accessing the official website of the Unique Identification Authority of India (UIDAI) by entering the URL “” in your web browser.
  2. On the UIDAI website’s homepage, locate the “Aadhaar Services” section and click on it to reveal a dropdown menu with various options.
  3. In the dropdown menu, select the “Lock/Unlock Biometrics” option, which will direct you to the “Lock/Unlock Biometrics” page.
  4. On the “Lock/Unlock Biometrics” page, you’ll be asked to enter your 12-digit Aadhaar number accurately.
  5. Beneath the Aadhaar number field, a security code will be visible. Enter the characters displayed in the image or the provided text in the security code box.
  6. Click on the “Send OTP” button. Subsequently, you’ll receive a One-Time Password (OTP) on your registered mobile number.
  7. Check your mobile device for the OTP and input it into the designated field on the webpage.
  8. After entering the OTP, click the “Submit” or “Unlock” button to initiate the process of unlocking your biometrics.
  9. If you’ve successfully followed the steps and entered the correct OTP, your Aadhaar biometrics will be unlocked, and you’ll receive a confirmation message on the website.
  10. Additionally, you may receive an SMS on your registered mobile number confirming the successful unlocking of your biometric data.
  11. Your Aadhaar biometrics are now unlocked and ready for use in authentication as required.

Also Read: How to Link Aadhaar with Mobile Number using TollFree?

It’s essential to exercise caution when unlocking your Aadhaar biometric data and to lock it again when not in use for enhanced security. To ensure a smooth unlocking process, make sure your mobile number is linked to your Aadhaar for receiving the OTP. If your mobile number is not registered or needs updating, it’s recommended to visit an Aadhaar Enrollment Center to make the necessary changes.

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About the Author: Ranjit Ranjan

More than 15 years of experience in web development projects in countries such as US, UK and India. Blogger by passion and SEO expert by profession.

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