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How do I make a phone number change utilizing the “Lost phone number” feature?

  1. INDODAX
  2. Data Changes
  3. Change of Phone Number

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If your account is locked and the primary mobile number registered to your account is lost or inactive, you will not be able to receive a verification code via WhatsApp or SMS to unlock your account. Please note that WhatsApp and SMS verification codes will only be sent to the primary phone number registered to your account. Therefore, in this situation, you will need to update your primary phone number first. Here are the steps to change your primary phone number if your account is locked :

Through the Application:

  • In the security verification page, please select the "Lost Your Mobile Number?" option to request a data change for your registered mobile number.
  • In the Reset Mobile Number menu, please enter your new mobile number and the reason for the data change. After that, please click "Next".

Screenshot 2025-10-01 at 14.55.01.png

  • Next, you will be asked to complete the face verification process. Please click "Start Face Verification" and follow the instructions provided. Once successful, please click "Continue" to proceed to the email verification process.
  • Please check your email for the verification code that has been sent to your email address.
  • Please enter the Email OTP code and click "Verify".

Note : If you don't receive the OTP code via email, you can request a new OTP code by clicking "Resend".

Screenshot 2025-10-01 at 13.36.32.png

  • Congratulations! Your number change has been successfully submitted. Please select "Log Out".
  • At the same time, you will also receive a "Pending Submission Notification".

Note : Once your data changes have been approved or rejected, you will receive a notification email. Please wait for your data change request to be processed within 24 hours.

Screenshot 2025-10-01 at 13.41.33.png

  • If you submit another "Lost Your Mobile Number?" request while the previous request is still under review, you will receive a pop-up message stating "Your Request is Under Review" and you will not be able to continue the data change process.

Screenshot 2025-10-01 at 13.48.39.png

  • If you can still log in to your account using your old mobile number, then while your data change request is still under review, you will see a "Pending Banner".

Screenshot 2025-10-01 at 13.50.49.png

  • If your data changes have been approved, you can log in using your new mobile number.
  • Please select "Log In".
  • Enter your email and password, then click "Log In".
  • When you arrive at the Home menu, you will see a message saying "Your Account Activity is Locked". Please complete the face detection test by clicking "Activate Now". For more information about this, please click the following page: click here

Screenshot 2025-10-01 at 13.57.31.png

Through the Website :

  • In the security verification menu, please select the "Lost Your Mobile Number?" option to request a data change for your registered mobile number.

Screenshot 2025-10-01 at 10.35.40.png

  • For now, the process of changing your number using the "Lost mobile number" feature can only be done through the App.
  • You will see a pop-up directing you to continue the "Lost mobile number" process through the App.

Screenshot 2025-10-01 at 10.38.55.png

  • If you can still login to your account using your old mobile number, then while your data change request is still under review, you will see a "Pending Banner".

Screenshot 2025-10-01 at 10.47.41.png

    Articles in this section

  • Can all country codes be used for the main phone number change?
  • I am stuck in the process of changing my phone number with the notification "This number has been registered as emergency contact"?
  • How do I make a phone number change utilizing the “Lost phone number” feature?
  • My account is locked but I can't get an Unlock PIN because my phone number is no longer active, what should I do?
  • Can I use my emergency contact as the main number in my Indodax account?
  • Why is there a "The number can't be used" notification when changing the Indodax account phone number?
  • How do I change the phone number of a relative registered to an Indodax account to be replaced with the main phone number in the Indodax account?

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