Mobile number updates in Aadhaar cannot be done online, so you must visit an Aadhaar Seva Kendra. You can book an appointment online through the UIDAI website and complete biometric verification at the centre. A fee of ₹50 is charged for updating or changing your mobile number. The online mode offers address update to the Aadhaar number holders where the Aadhaar number holder can directly place the address update request on the myAadhaar portal. The Aadhaar number holder needs to have mobile number registered with Aadhaar for using this service. UIDAI now facilitates online as well as offline updates of mobile numbers at an Aadhaar Enrolment Centre. Choose the method that is most convenient for you: You can now update your Aadhaar-linked mobile number online using UIDAI's SSUP. Here are the steps: Aadhaar Card update November 2025: Here’s how to change name, address, date of birth and phone number online in simple steps Aadhaar cards are a pivotal identification documents in India.