Thank you for posting your question in the Microsoft Q&A forum.
Based on the information you have provided, looks like you want to migrate your Authenticator account.
Unfortunately, Authenticator does not support transfer or migrate between iOS and Android.
You can read more at Back up account credentials in Microsoft Authenticator - Microsoft Support
You need to manually re-add the accounts by using QR or Credentials. I hope this information helps.
If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.