# How to register or update mobile number on Aadhaar card online | How-to (HT Tech) > It is compulsory to link your mobile number to your Aadhaar card. The process is online and takes place through an OTP. # How to register or update mobile number on Aadhaar card online ## It is compulsory to link your mobile number to your Aadhaar card. The process is online and takes place through an OTP. Aug 21 2022, 23:16 IST ![Follow on Facebook](https://images.hindustantimes.com/tech/static/revamp/images/png/follow-us-facebook.png) ![Follow on Facebook](https://images.hindustantimes.com/tech/static/revamp/images/png/follow-us-facebook-hover.png) ![Share](https://images.hindustantimes.com/tech/static/revamp/images/png/Share.png) ![Share](https://images.hindustantimes.com/tech/static/revamp/images/png/Shareclicked.png) ![Share on WhatsApp](https://images.hindustantimes.com/tech/static/revamp/images/png/whatsapp.png) ![Share on WhatsApp](https://images.hindustantimes.com/tech/static/revamp/images/png/whatsapp-hover.png) ![Share on Twitter](https://images.hindustantimes.com/tech/static/revamp/images/png/twitter.png) ![Share on Twitter](https://images.hindustantimes.com/tech/static/revamp/images/png/twitter-hover.png) ![Share on Facebook](https://images.hindustantimes.com/tech/static/revamp/images/png/facebook.png) ![Share on Facebook](https://images.hindustantimes.com/tech/static/revamp/images/png/facebook-hover.png) ![Bookmark](https://images.hindustantimes.com/tech/static/revamp/images/png/Bookmark.png) ![Bookmarked](https://images.hindustantimes.com/tech/static/revamp/images/png/Bookmarked.png) ![Check out the simple and easy steps to register or update mobile number on Aadhaar card.](https://images.hindustantimes.com/tech/img/2022/01/11/1600x900/Aadhaar-Reuters-660_1637398378635_1641887626217.jpg) Check out the simple and easy steps to register or update mobile number on Aadhaar card. ![Author Photo](https://images.hindustantimes.com/tech/static/revamp/images/png/HTTech-new-circle-logo.png) ### By HIMANI JHA The government has made it compulsory to link Aadhaar card with other documents and bank accounts. The Aadhar card is one of the most preferred identity proofs and hence it becomes necessary to also register or update your active mobile number on it too. If you don’t have an Aadhaar card, you can apply for one and get your mobile number registered with it during the enrolment process. Updating your demographic details on an Aadhaar card is quite simple if your registered mobile number is active. You can update the details online. However, if your registered number is not active or your mobile number has changed, you will not be able to add/update your mobile number via the old SSUP (Self Service Update Portal) portal as it was discontinued. Now, the applicant has to visit the Aadhaar Enrolment/Update centre to register/update mobile number on the Aadhaar card, if you go by the offline route. The entire process may take up to 90 days. We also tell you the steps to add your mobile number or email ID to your Aadhaar card via online mode. ### How to register or update your mobile number on Aadhaar: Step 1: First, search the nearest enrollment center by visiting the UIDAI Official webpage or simply click here https://appointments.uidai.gov.in/easearch.aspx Step 2: Updating mobile number on Aadhaar card can be done offline too. You will be required to visit the nearest Aadhaar centre and fill out the Aadhaar correction form. Also read click here. Step 3: Next, fill in the Aadhaar correction form and mention your active mobile number that you want to update in Aadhaar card Step 4: Submit the correction form and provide your biometrics for authentication Step 5: Once done, get the acknowledgement slip that contains Update Request Number (URN) from the executive. Step 6: You can use the URN to track the status of Aadhaar updation Step 7: Once your mobile number is registered with Aadhaar, you will start receiving OTPs for the verifications of details/documents linked to Aadhaar card. Step 8: You can also check the status of your Aadhaar update by calling UIDAI’s toll-free number 1947. Users can also update/change their mobile number linked with an Aadhaar card sitting at home. Here’s the step-by-step procedure of linking: ## How to link Aadhaar card with mobile number online | Time | Tools | Supplies | | --- | --- | --- | | 20 Minutes | Smartphone Mbile Laptop Computer | Updated browser Internet | Step 1: Visit your telecom operator’s website i.e, Vodafone, Airtel, Jio etc. Step 2: Go to update/link mobile number with Aadhaar card tab and enter the mobile number that you want to update or verify with Aadhaar. Step 3: Once you submit the number, an OTP will be sent to the registered mobile number. Step 4: Verify the OTP and you will get a consent message on the screen. Step 5: Enter the 12-digit Aadhaar number. Step 6: The telecom operator will send a message for OTP generation and a consent message about the e-KYC details. Step 7: Accept all the terms and conditions and enter the OTP and it’s done. You’ll receive a confirmation message about the Aadhaar and phone number re-verification. Catch all the Latest Tech News, Mobile News, Laptop News, Gaming news, Wearables News , How To News, also keep up with us on Whatsapp channel,Twitter, Facebook, Google News, and Instagram. 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