Firebase OTP is not verifying SMS code after uploading flutter app to Play store after receiving the OTP number.

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Asim Uddin

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Oct 8, 2021, 2:57:55 PM10/8/21

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I have made a flutter app with firebase with phone-based OTP verification, it is working fine in debug mode and release APK. But after uploading to the play store then there is a problem,

I received OTP on the phone but the problem is some numbers are verified after entering the OTP and some numbers are not verified after entering the correct OTP number

I have updated the google-service.json file,

I have added SHA - 1 and SHA - 256 keys from the play console to firebase project settings, and add enable ReCaptcha and SafetyNet in my project