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Aadhaar Biometric Lock: How to Lock Aadhaar Biometric Online?

By Mayashree Acharya

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Updated on: Jun 6th, 2024

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3 min read

Your Aadhaar biometrics represent your identity. You can use it to avail of various facilities such as government schemes and banking services. However, it is also true that hackers and criminals can use your Aadhaar details to steal your identity, commit crimes in your name, and steal your money. But do not worry. You can protect yourself by locking your Aadhaar biometric. 

Keep reading to understand the steps involved with the Aadhaar biometric lock.

What Is Biometric Locking In Aadhaar?

Aadhaar biometric lock means that your biometric cannot be used for authenticating your Aadhaar credentials anymore. Thus, it will not be possible to use your Aadhaar biometric for using any services.

Purpose And Importance Of Biometric Locking

Locking your Aadhaar biometric ensures that it cannot be misused by hackers and criminals. Even if they have all the information related to your Aadhaar biometric, they can’t harm you by using it.

How To Lock Aadhaar Biometric Online?

You will need your Aadhaar virtual ID to lock your Aadhaar biometric. You can generate your Aadhaar virtual ID by visiting the UIDAI’s official website and clicking on the ‘VID Generator’ tab.

Once you have your Aadhaar virtual ID, here are the steps you have to follow to lock your Aadhaar biometric online:

Step 1: Visit UIDAI’s myAadhaar portal.

Step 2: Scroll down and click on ‘Lock/Unlock Aadhaar’.

myAadhaar portal

Step 3: Read the guidelines and click on ‘Next’.

Aadhaar biometric lock

Step 4: Enter the virtual ID, your full name, Pincode, and captcha, and click on ‘Send OTP’.

Aadhaar Biometric lock online

Step 5: Complete the OTP verification to lock your Aadhaar biometric.

How To Lock Aadhaar Biometric In mAadhaar App?

Here is how you can lock your Aadhaar biometric using the mAadhaar app:

Step 1: Download the mAadhaar app from the Play Store or the App Store.

Step 2: Open the app and log in with your mobile number.

Step 3: Tap on the ‘My Aadhaar’ icon.

Step 4: Enter your Aadhaar number, captcha code and OTP.

Step 5: Tap on the ‘Biometrics Lock’ option to lock your Aadhaar biometrics.

How To Lock Aadhaar Biometric Through SMS?

Here are the steps for Aadhaar biometric lock by SMS.

Step 1: Use your Aadhaar-registered phone number to send an SMS to 1947 with the following message: 

‘GET OTP <space> last 4 digits of your Aadhaar number.’

Step 2: You will get an OTP on your phone.

Step 3: Again, send a message to 1947 with the following message 

‘LOCKUID <space> last 4 digits of your Aadhaar number <space> 6-digit OTP’.

Remember that if your mobile number has been used to register multiple Aadhaar numbers, in the SMS, you will have to enter the last 8 digits of your Aadhaar number instead of the last 4 digits.

Biometric Locked By Aadhaar Holder 330

If an Aadhaar authentication is done by using your biometrics after you have locked your Aadhaar card, then the system will show the ‘330’ error code. It means that biometric authentication cannot be done as the Aadhaar card is locked.

Overall, we have covered the importance of locking your Aadhaar card and the different ways of doing it. The Aadhaar biometric lock can be done using the mAadhaar app, by logging into the UIDAI portal or by sending an SMS to 1947. Once you have locked your Aadhaar card, it will be impossible for anyone to misuse your Aadhaar card.

Related Aadhaar Articles:
1.  How to Unlock Aadhaar Biometric Online? 
2. PAN Aadhaar Link 
3. Aadhaar Card Pan Card Link Status
4. How to Check Aadhaar Card Link with Bank Account?
5. Aadhaar Card Customer Care Number
6. How To Scan Aadhaar Card Using QR Code?
7. Check Aadhaar Card Pan Card Link Status

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Frequently Asked Questions

What is biometric authentication in Aadhaar?

Biometric authentication means that your biometrics, such as fingerprints and iris scans, are used to authenticate your Aadhaar credentials.

Can we lock the Aadhaar biometric?

Yes, you can lock your Aadhaar biometrics by using the mAadhaar app or by visiting the UIDAI website.

How can I avoid Aadhaar card misuse?

You can prevent the misuse of your Aadhaar card by locking it. To lock the card, you can visit the UIDAI portal.

How can I solve a biometric problem with my Aadhaar card?

You can visit your nearest Aadhaar enrolment centre to update your biometrics. You can submit your biometrics at the centre to solve your problem.

How can I lock the biometrics in an Aadhaar card?

You can lock your Aadhaar card by visiting the UIDAI portal or by using the mAadhaar app. Once the Aadhaar is locked, the biometrics can’t be used for any purpose.

How can I activate my locked Aadhaar card?

You can activate your locked Aadhaar card by using the mAadhaar app or by visiting the UIDAI portal. Once it is unlocked, it can be used to avail various services. You can also use it as proof of ID.

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I am an advocate by profession and have a keen interest in writing. I write articles in various categories, from legal, business, personal finance, and investments to government schemes. I put words in a simplified manner and write easy-to-understand articles. Read more

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