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The OTP verification works properly for debug build. I have also added SHA key in firebase console for release version. But Phone Auth doesn't work when I generate signed apk and upload it to play store. Should I retain both debug SHA keys and release keys after I upload the app to production on play store? Is Google App Signing compulsory for using a firebase app on production?

Ajay Srinivas
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  • check your log, there might have some information – Vishal Oct 28 '18 at 17:50
  • [Google sign in not working after publishing in play store](https://stackoverflow.com/questions/39318370/google-sign-in-not-working-after-publishing-in-play-store) – RonTLV Oct 28 '18 at 18:15
  • The issue is already answered here hope that helps https://stackoverflow.com/questions/39318370/google-sign-in-not-working-after-publishing-in-play-store – Mahesh Jamdade Nov 21 '18 at 00:27
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    Does this answer your question? [Google sign in not working after publishing in play store](https://stackoverflow.com/questions/39318370/google-sign-in-not-working-after-publishing-in-play-store) – Magnus Dec 21 '20 at 15:30

4 Answers4

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If this is the issue occurring on the app uploaded to play store, then below can be a feasible solution.

Steps

  1. Go to play console and select your app.
  2. Under release management, go to app signing.
  3. Find SHA-1 certificate and copy it.
  4. Go to firebase console and select your app.
  5. Go to project settings and add this SHA-1 certificate.

You are ready to rock again.

Prashant Paliwal
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You need to add SHA-1 certificates. And if they are already added and you still face this problem (as in my case). Add SHA-256 as well and it works!!!

salvi shahzad
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  1. Go to play console and select your app.
  2. Go to Dashboards and under Setup, click on App Integrity.
  3. Copy SHA-1 certificate and SHA-256 certificate.
mcfred
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Go to your firbase settings. Authentication section - settings

Under authorised domains , add ur domain name in which ur app is hosted . Used only domain name , omit www

Ashish Paleri
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