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i have incorporated the MFA within b2c signup process successfully following Local and social accounts sign-up or sign-in with MFA starter pack in this, but i want to add the functionality to be able to change the phone number after code is sent with a ‘Go back’ button, while enabling MFA. any help would be much appreciated.

Munazza Osama
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1 Answers1

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Please refer this live demo of changing MFA phone number in azure b2c by yoelhor

Azure AD B2C: Edit MFA phone number

    <?xml version="1.0" encoding="UTF-8" standalone="yes"?> 
    <TrustFrameworkPolicy xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns="http://schemas.microsoft.com/online/cpim/schemas/2013/06" PolicySchemaVersion="0.3.0.0"    TenantId="yourtenant.onmicrosoft.com" 
    PolicyId="B2C_1A_Demo_ProfileEdit_PhoneNumber" 
    PublicPolicyUri="http://yourtenant.onmicrosoft.com/B2C_1A_Demo_ProfileEdit_PhoneNumber">
       
      <BasePolicy>
        <TenantId>yourtenant.onmicrosoft.com</TenantId>
        <PolicyId>B2C_1A_Demo_TrustFrameworkExtensions_EditPhoneNumber</PolicyId> </BasePolicy>
    
      <RelyingParty>
        <DefaultUserJourney ReferenceId="EditMFAPhoneNumber" />
        <TechnicalProfile Id="PolicyProfile">
          <DisplayName>PolicyProfile</DisplayName>
          <Protocol Name="OpenIdConnect" />
          <OutputClaims>
            <OutputClaim ClaimTypeReferenceId="objectId" PartnerClaimType="sub" />
          </OutputClaims>
          <SubjectNamingInfo ClaimType="sub" />
        </TechnicalProfile>   </RelyingParty> </TrustFrameworkPolicy>
Imran
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  • thanks for your response, but i think i have not fully explained my requirement, i want to have the feature that while enabling MFA when user enters phone number and code is sent to his phone then on same screen there should be option of changing the phone number and send new code again to new number. – Munazza Osama Jul 21 '22 at 00:41
  • @https://stackoverflow.com/users/18229970/imrankhan-mt any thoughts? i want to have an option for user to edit MFA number if he mistakenly entered wrong phone number – Munazza Osama Jul 22 '22 at 05:42
  • Please check this reference: https://stackoverflow.com/questions/66217523/in-b2c-how-to-change-the-mfa-phone-number-or-email-or-even-change-the-method https://stackoverflow.com/questions/53988815/can-azure-ad-b2c-use-a-mobile-telephone-number-as-a-username – Imran Jul 22 '22 at 06:27