Biometric Lock/Unlock

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 Aadhaar number holder's Biometrics Data.

Fingerprint, iris and Face as a biometric moadlity will be locked and after biometric locking, Aadhaar holder will not be able to perform the Aadhaar authentication using the above mentioned biometric modalities.

Locked Biometrics confirms that Aadhaar holder will not be able to use Biometrics (fingerprints/iris/Face) for authentication, it is a safety feature to stop any kind of biometric authentication.
It also ensures that any entity by any means cannot perform biometric based Aadhaar authentication for that Aadhaar holder.

Once Aadhaar number holder enables Biometric Locking system their biometric remains locked till the Aadhaar Holder chose any below mentioned option:

Unlock it (which is temporary )or
Disable the Locking system

The biometric unlock can be done by Aadhaar number holder either by visiting UIDAI website, enrolment centre, Aadhaar Seva Kendra(ASK), through m-Aadhaar.

Note: Registered Mobile Number is essential to avail this service. In case your mobile number is not registered with Aadhaar visit the nearest Enrolment Centre/Mobile Update End Point.

Aadhaar number holders who have registered mobile number may lock their biometrics. This facility aims to strengthen privacy and confidentiality of Aadhaar number holder's Biometrics Data

After locking biometrics if a UID is used for invoking any of the Authentication services using a biometric modality (Fingerprint/Iris/Face) a specific error code '330' indicating biometrics are locked will be displayed and the entity will not be able to perform the biometric authentication.