If you are asking, "How can I change my aadhar mobile number?" you are in the right place. Keeping your registered mobile number updated on your Aadhaar card is absolutely vital. Today, your digital identity is deeply tied to this single document. Almost every secure online transaction—from setting up a bank account and checking your EPF balance to submitting income tax returns and accessing DigiLocker—requires an Aadhaar-based One-Time Password (OTP). If you have lost your older SIM card, moved to a new provider, or simply want to change my mobile number in aadhar, acting quickly is essential to keep your digital life running smoothly.

Historically, completing an aadhar number change online was considered nearly impossible due to strict biometric safety regulations. However, the Unique Identification Authority of India (UIDAI) has recently introduced major upgrades—including a brand-new official app utilizing secure face recognition—that have revolutionized the entire process. This comprehensive guide will detail every step to help you update your registered contact details easily, whether you choose the online self-service route, a doorstep postman visit, or a fast-tracked offline appointment.

1. Can I Change My Mobile Number in Aadhaar Myself Online?

One of the most frequent questions residents ask is, "Can i change my mobile number in aadhar myself?" or "Can i change my registered mobile number in aadhar online?"

For many years, the standard answer from UIDAI was a firm no. Because your linked mobile number acts as the ultimate key to your digital identity, allowing anyone to change it online without robust identity verification would expose users to high risks of fraud, identity theft, and SIM-swapping scams. Traditionally, physical biometric verification (fingerprints or iris scans) at a designated kiosk was mandatory.

However, with the rollout of the brand-new official Aadhaar App, a secure, remote solution is finally a reality. Today, you can perform an online request to change my aadhar mobile number online using OTP verification and face authentication.

Technical Prerequisites for the App-Based Update

To complete this update directly from home, you must meet the following criteria:

• Smartphone Specifications: You need an Android smartphone (running Android 9.0 or higher) or an iOS device (iOS 14 or higher) equipped with at least 4GB of RAM and a clear, high-resolution front-facing camera (13 MP or more recommended).
• The Companion App: You must download and install both the official Aadhaar App and the official Aadhaar FaceRD (Face Recognition Device) system service from the official Google Play Store or Apple App Store.
• Active Session/Verification: This method works best if you still have temporary access to your previously registered mobile number to log into the app, or if you can authenticate successfully via the secure face-matching engine which compares your live camera feed against the official photograph registered in the Central Identities Data Repository (CIDR).

If you do not meet these technical requirements, or if you are starting with zero linked contact details, do not worry. UIDAI has established highly efficient alternative channels, such as doorstep postman updates, to ensure every resident can update their records easily.

2. Step-by-Step: Changing Your Mobile Number via the New Aadhaar App

If you satisfy the technical prerequisites and want to change my aadhar mobile no using your smartphone, the process takes only a few minutes. Follow this exhaustive, step-by-step walkthrough to request the change yourself:

Step 1: Install the Official Applications

Make sure to search the Google Play Store or Apple App Store for the official, recently released Aadhaar App developed by the Unique Identification Authority of India (UIDAI). Avoid older third-party applications or the legacy mAadhaar app, which is scheduled for retirement. Additionally, install the Aadhaar FaceRD app. This background service acts as the secure engine for biometric face scanning.

Step 2: Register and Create Your Profile

Open the Aadhaar App, select your preferred language (the app supports over 13 regional Indian languages), and accept the privacy terms. Enter your 12-digit Aadhaar number and the Captcha code. The app will send an OTP to your current linked phone number to verify your identity and allow you to set up your secure 6-digit access PIN.

Step 3: Initiate the Mobile Number Update

Once you are inside the secure dashboard, scroll down to the "Services" menu and locate the option titled "Mobile Number Update". Click on it to proceed. The app will ask, "I want to change my mobile number in aadhar"—confirm this selection to go to the input page.

Step 4: Input Your New Contact Details

Carefully type in the new 10-digit mobile number you want to link. Double-check for typos, as entering an incorrect number will cause verification delays. Solve the security Captcha on the screen and click "Submit."

Step 5: Perform Face Authentication

This is the critical biometric validation step. The app will call the Aadhaar FaceRD service and activate your front camera.

• Positioning: Hold the phone directly in front of your face at eye level (about 8–12 inches away).
• Lighting: Ensure you are in a well-lit room with light falling on your face, not behind you. Avoid shadows, hats, sunglasses, or masks.
• Liveness Detection: The app will instruct you to blink your eyes naturally or adjust your position to confirm liveness. Once the scanner captures a clear, high-resolution biometric image, it will automatically run an AI-based match against your original Aadhaar record photo.

Step 6: Make the Online Fee Payment

Once the face-matching engine approves your identity, you will be directed to the payment gateway. The standard official fee for a demographic update (such as changing your phone number) is ₹75. You can securely pay this using UPI, credit/debit cards, or net banking.

Step 7: Receive and Save the SRN

Upon successful payment, the app will display a confirmation screen containing a Service Request Number (SRN). Download the receipt or take a screenshot of this page. You will also receive an SMS on your newly submitted number containing the SRN, which you can use to track the progress of your application.

3. Alternative 1: IPPB Doorstep Service (Postman & GDS)

If you cannot use the mobile application, or if your old registered SIM card is completely inactive, you cannot perform an OTP-based online authentication. In such cases, the most convenient option is the India Post Payments Bank (IPPB) doorstep update service.

To make financial and administrative services accessible to everyone, the Department of Posts has deployed over 2,000,000 Postmen and Gramin Dak Sevaks (GDS) equipped with biometric smartphones. Using the Child Enrolment Lite Client (CELC) platform, these postal officers can update your mobile number directly at your home.

How to Book a Doorstep Update Visit:

1. Visit the IPPB Portal: Go to the official India Post Payments Bank portal at ippbonline.com.
2. Navigate to Service Requests: On the homepage, select "Service Request" and choose "Non-IPPB Customers" followed by "Doorstep Banking".
3. Select the Aadhaar Service: Look through the list of available services and check the box labeled "Aadhaar-Mobile Update".
4. Complete the Request Form: Fill in your personal details, including your full name, the exact address where you want the visit to take place, your local Pin Code, email ID, and a functional mobile number where the postman can reach you to coordinate the visit.
5. Submit and Wait: Choose your preferred time slot and submit the request.

During the Postman's Visit:

• Verification: The postman or GDS will arrive at your home carrying an official smartphone and an external fingerprint or iris scanner.
• Biometric Matching: Instead of entering a password or waiting for an online OTP, the officer will scan your fingerprint or iris to securely verify your identity with UIDAI.
• Updating the System: The officer will enter your new mobile number into their CELC app. You will receive an immediate confirmation SMS on your new number during the process.
• Fee: Hand over the standard fee of ₹75 to the postman. They will issue a digital receipt to your phone. This method is highly recommended for senior citizens, individuals with mobility issues, and residents living in rural or remote areas.

4. Alternative 2: Booking an Appointment at an Aadhaar Seva Kendra (ASK)

If you prefer to handle the transaction physically, or if you also need to update other biometric data (such as your photo, fingerprints, or iris scan), you can visit an official Aadhaar Seva Kendra (ASK) or a permanent enrolment center inside designated bank branches and post offices.

To avoid waiting in long lines, you should use the online appointment booking facility provided by UIDAI. This ensures you can walk in, get your details verified, and leave within 10 to 15 minutes.

Step-by-Step Appointment Booking Process:

1. Go to the Appointment Portal: Open your browser and navigate to ask.uidai.gov.in.
2. Choose Your Location: Select your city or regional center from the dropdown menu and click "Proceed to Book Appointment".
3. Select Service Type: Click on the "Aadhaar Update" tab.
4. Log In with an OTP: Enter any active mobile number and solve the Captcha. This number does not need to be the one currently linked to your Aadhaar card; it is simply used by the system to verify your identity and manage your booking.
5. Specify the Update: Under the fields to be updated, check the box for "Mobile Number". Fill in the new contact number you wish to register.
6. Book Your Slot: Select a convenient date and time slot from the interactive calendar. Once confirmed, download and save your appointment slip. You can keep this on your phone; there is no need to print a hard copy.

What to Expect on Your Appointment Day:

• Arrival: Arrive at the selected Aadhaar Seva Kendra roughly 15 minutes before your scheduled slot. Present your digital appointment slip at the reception desk to receive your token.
• Biometric Verification: When your token is called, proceed to the assigned desk. The operator will ask you to confirm the change my number in aadhar request and will capture your biometrics (fingerprints or iris scan) to authenticate your identity.
• Zero Document Requirement: Remember, you do not need to bring any proof of identity or address documents to simply change your mobile number. Your biological prints serve as the ultimate secure verification.
• Payment & Receipt: Pay the demographic update fee of ₹75 at the counter. The executive will provide you with an acknowledgement slip containing a 14-digit Update Request Number (URN).

5. How to Download Your Updated e-Aadhaar Card

Once your request has been successfully processed, you will want to get your updated digital card. Many users search for queries like "aadhar download phone number change" or "uidai aadhar download change mobile number" because they want to verify that the update has gone through successfully.

As soon as your request status transitions to "Completed," you can easily download your secure e-Aadhaar PDF. Follow these steps:

1. Visit the MyAadhaar Portal: Go to myaadhaar.uidai.gov.in or log into your newly configured Aadhaar App.
2. Select Download Aadhaar: Click on the "Download Aadhaar" icon on the homepage.
3. Enter Credentials: Input your 12-digit Aadhaar Number or your 28-digit Enrolment ID (EID) found on your update slip, enter the security Captcha, and click "Send OTP".
4. Get the OTP on Your New Number: The OTP will now be sent directly to your newly registered mobile number. This serves as instant proof that your change my aadhar registered mobile number request has been successfully finalized in the central database.
5. Input and Download: Enter the 6-digit OTP, complete the quick demographic survey if prompted, and click "Verify & Download". Your updated e-Aadhaar card will be downloaded as a secure PDF file.

How to Open the e-Aadhaar PDF:

To protect your personal data, the downloaded PDF is encrypted with a highly secure password. The password format is standardized as follows:

• The first four letters of your name as written on your Aadhaar card in CAPITAL letters.
• Your Year of Birth in YYYY format.
• Example: If your name is SURESH KUMAR and your year of birth is 1988, your secure PDF password will be SURE1988. If your name has only three letters, such as BOY, and you were born in 2001, use BOY2001.

6. Crucial Rules: Fees, Processing Timelines, and Safety Protocols

When planning to change my aadhar mobile number, it is essential to understand the underlying framework, costs, and timeline associated with the update to avoid falling prey to third-party agents or online scammers.

Processing Turnaround Time (TAT)

Most demographic updates, including a mobile number change, are processed within 2 to 7 working days. However, depending on backend queue congestion or manual verification protocols, it can occasionally take up to 30 days. You can easily check the real-time status of your request on the MyAadhaar portal by entering your URN or SRN.

Current Fee Structure (2026)

UIDAI has set strict, standardized caps on the charges that can be collected for Aadhaar services:

• Demographic Updates (Mobile, Email, Address, Name, Gender, DOB): ₹75 (inclusive of GST).
• Biometric Updates (Photo, Fingerprints, Iris Scan): ₹125 (inclusive of GST).
• Mandatory Biometric Updates (for children aged 5 and 15): Free of cost.
• Document Updates (to keep your identity profile active): Free online (until June 14, 2026) via the self-service MyAadhaar portal, but costs ₹75 if completed at a physical centre.

Note: If any Aadhaar center or operator demands more than the official ₹75 fee to update your mobile number, you can file an immediate complaint by calling the UIDAI toll-free customer helpline at 1947 or emailing [email protected].

Why Physical Biometrics or Face Authentication is Mandatory

Your registered mobile number is the absolute core of your digital profile in India. It is used to authenticate bank transactions, verify Demat accounts for stock trading, secure land registries, and authorize digital signatures. If UIDAI allowed completely anonymous online number changes without any biometric checks (like face scanning, iris reading, or fingerprinting), hackers could easily hijack your identity simply by entering your Aadhaar number and replacing your phone number with their own. The face scan or fingerprint check ensures that only you can change your linked contact information.

Frequently Asked Questions (FAQs)

Q1: Can I link multiple Aadhaar cards to a single mobile number?

Yes. There is no official limit to the number of Aadhaar profiles that can be linked to a single mobile number. However, it is highly recommended to only link your own number or the numbers of immediate family members (such as children or spouse) to ensure you maintain strict control over all authentication OTPs.

Q2: What should I do if my face authentication keeps failing on the Aadhaar App?

If your face scan fails to match, ensure that you are in a highly illuminated area with natural, even lighting on your face. Keep your camera steady at eye level, blink naturally when prompted, and remove any glasses, hats, or masks. Additionally, ensure the companion Aadhaar FaceRD app is updated to its latest version. If it still fails, you can use the IPPB doorstep service or visit an ASK.

Q3: Do I need to submit any physical documents to change my mobile number in Aadhaar?

No. You do not need to provide any physical documents (like proof of identity or proof of address) to change or register your mobile number. Your own biometrics (fingerprints, iris, or face authentication) serve as the sole validation mechanism.

Q4: Will I receive physical updates of my new Aadhaar card in the mail after changing my mobile number?

No. UIDAI does not mail out new physical letters or plastic PVC cards for minor demographic updates like mobile number or email changes. Once you receive the confirmation SMS, you can download your updated card digitally as an e-Aadhaar or order a secure plastic Aadhaar PVC card online through the portal for a nominal fee of ₹75.

Q5: Can I track the status of my mobile number update online?

Yes. If you submitted your request via the official Aadhaar App, you can track it using your Service Request Number (SRN). If you updated it via the IPPB doorstep service or an Aadhaar Seva Kendra, you can use the 14-digit Update Request Number (URN) provided on your receipt by visiting the status portal at myaadhaar.uidai.gov.in.

Conclusion

Keeping your registered mobile number updated on your Aadhaar card is a non-negotiable step to securing and maintaining your digital footprint. Whether you opt for the cutting-edge convenience of the new Aadhaar App with face authentication, request an easy IPPB doorstep postman visit, or book an online slot to drop by a local Aadhaar Seva Kendra, updating your contact information has never been easier or more secure. Do not let an inactive phone number lock you out of crucial banking, tax, and government services—choose the method that best fits your situation and update your Aadhaar profile today.