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All you need to know about the Aadhaar biometric lock and unlock feature

Aadhaar Lock/Unlock Biometric Update It's advisable to link the mobile number with their Aadhaar before starting this process, as the OTPs (One-Time Passwords) will be sent to the registered phone number.

Here's how to use the Aadhaar biometric lock and unlock feature to protect your personal data and ensure secure authentication. (File)

Aadhaar Lock/Unlock Biometric Update: Aadhaar is a 12-digit unique identity number given to Indian citizen to access government services, make secure financial transactions, and confirm their identification. Data security and privacy are always crucial for an Aadhaar number holder. UIDAI now gives people the option to lock and unlock their Aadhaar numbers, including biometric data, to boost security and control.

READ: How to link Aadhaar with UAN online for hassle-free EPF transfers

It’s advisable to link the mobile number with their Aadhaar before starting this process, as the OTPs (One-Time Passwords) will be sent to the registered phone number.

How to lock/unlock Aadhaar biometric devices?

Step 1: Go to the official UIDAI website at uidai.gov.in.

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Step 2: Look for Aadhaar Services and select ‘Lock/Unlock Biometrics’ on the main page

Step 3: Tick the box to verify ‘Lock/Unlock Biometrics’ for locking or unlocking your biometric information.

Step 4: Type in your 12-digit Aadhaar number and fill in other needed details to complete the check.

Step 5: Verify and approve by entering the OTP (One-Time Password) delivered to your linked phone number.

ALSO READ: Aadhaar Card for differently-abled: Here’s all you need to know

For added security of your biometric details, you may choose to lock/unlock your biometrics in your #Aadhaar.

To avail this service you need to link/update your mobile number with Aadhaar.

To locate your nearest #AadhaarCentre, visit:https://t.co/Po73UgcYz2 pic.twitter.com/mkra3AmkAb

— Aadhaar (@UIDAI) June 3, 2025

After your OTP passes through, you can turn on the option to lock and unlock with biometrics. It’s important to note that locking your Aadhaar number or biometrics can limit use for authentication, adding extra security. It’s a good idea to keep your Aadhaar locked when you’re not using it and unlock it when you need to.

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