Visit the nearest Aadhaar Enrolment/Update Centre
Carry your Aadhaar card and a valid identity proof
Fill out the Aadhaar Update/Correction form
Select the mobile number update option
Enter the new phone number on the form
Submit the form to the operator
Provide biometric verification if asked
Pay the applicable update fee
Collect the acknowledgement slip with the Update Request Number
Wait for the update to be processed
Check Aadhaar update status online using the URN
Use the updated mobile number for Aadhaar-linked services