Aadhaar Update: What is biometric lock/unlock? Who can use this facility- check details here

Aadhaar Card holders provide biometric data that is fingerprint, iris while registering themselves for Aadhaar. However, most of the Aadhaar card holders are not aware that these biometrics can be locked and unlocked.

As per the information provided by Unique Identification Authority of India (UIDAI) any resident with valid Aadhaar can use the biometric locking/unlocking service. This feature empowers an Aadhaar holder to lock biometric.

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However, it can be noted that once a resident enables biometric locking system their biometric remains locked till the Aadhaar Holder chose to unlock it or disable the locking system.

As per UIDAI, biometric locking/unlocking is a service that allows an Aadhaar holder to lock and temporarily unlock their biometrics. This facility aims to strengthen privacy and confidentiality of resident's biometrics data.

What biometric can be locked?

Aadhaar card holders can know that fingerprint and iris data in their Aadhaar used for authentication can be locked.

What happens when biometric is locked?

Locked biometrics ensures the Aadhaar holder will not be able to use their biometrics (fingerprints/iris) for authentication.

Who and when to lock biometrics?

Any resident with valid Aadhaar should be able to use the service. This feature empowers an Aadhaar holder to lock biometric.

After locking biometrics if a UID is used for invoking any of the Authentication services using a biometric modality (Fingerprint/Iris) a specific error code '330' indicating biometrics are locked will be shown.

How to unlock (locked) biometrics?

Once resident enables biometric locking system their biometric remains locked till the Aadhaar Holder chose to:

Unlock it (which is temporary )or

Disable the locking system

It can be noted that registered mobile number is essential to avail this service.

For more details you can visit the official website of UIDAI at https://uidai.gov.in/.