Visit the nearest Aadhaar Enrolment/Update Centre
Carry your Aadhaar card or Aadhaar number
Fill out the Aadhaar Update/Correction form
Select mobile number update
Submit the form to the operator
Provide biometric verification if asked
Pay the applicable update fee
Collect the acknowledgement slip with URN
Track update status using the URN on the UIDAI website
Wait for the mobile number update to be processed