Visit the nearest Aadhaar Enrolment/Update Centre
Carry your Aadhaar card and a valid identity proof if required
Fill out the Aadhaar Update/Correction form
Select mobile number update
Enter the new phone number in the form
Submit the form to the operator
Complete biometric verification if asked
Pay the applicable update fee
Collect the acknowledgment slip with the URN
Wait for the update to be processed
Check Aadhaar update status using the URN
Download the updated Aadhaar after approval