Visit the nearest Aadhaar Enrolment/Update Centre
Carry your Aadhaar card or Aadhaar number
Fill out the Aadhaar Update/Correction form
Request mobile number update
Provide your new mobile number
Submit biometric verification if asked
Pay the applicable update fee
Collect the acknowledgment slip with the Update Request Number
Wait for the update to be processed
Check Aadhaar update status online using the URN
Download the updated Aadhaar after the mobile number is linked