Visit the nearest Aadhaar Enrolment/Update Centre
Carry your Aadhaar card or Aadhaar number
Carry a valid identity proof if required
Fill the Aadhaar Update/Correction form
Select the mobile number update option
Enter the new mobile number in the form
Submit the form to the operator
Complete biometric authentication if asked
Pay the applicable update fee
Collect the acknowledgement slip with Update Request Number
Wait for the update to be processed
Check Aadhaar status later using the Update Request Number
Use the updated mobile number for Aadhaar-linked services