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i am trying make a simple page using java. Where User enter there Phone number if user Phone Number is already Registered in Firebase Authentication they Logged in . If number not registered it goes for registration

Frank van Puffelen
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Jaspreet Maan
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    @Zoe: this user is asking about Firebase Authentication, while you linked a question about the Firebase Realtime Database. While both products are part of Firebase, they are completely separate and have very different APIs. I find it very hard to consider these two questions as exact duplicates. – Frank van Puffelen Apr 04 '21 at 15:44
  • See https://stackoverflow.com/questions/50313857/is-it-possible-to-check-phone-number-is-already-registered-in-firebase-else-goto, https://stackoverflow.com/questions/50259448/firebase-authentication-phone-number and possibly more from https://stackoverflow.com/search?q=%5Bfirebase-authentication%5D%5Bandroid%5D+phone+number+registered – Frank van Puffelen Apr 04 '21 at 15:47

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