firebase phone authentication not working after .apk released in play store even after I have updated sha1 in firebase console

Question

Firebase phone authentication not working after .apk released in play store even after I have updated sha1 in firebase console after that I have generated google-services.json again and updated json file in android studio project.

There was many other sha1 was also present in firebase console project setting should I delete them before generating new google-services.json

@UsamaAhmed You should mark the answer as accepted as a way of thanking the person who answered — Josh Metcalfe, Dec 16 '19 at 21:30

score 29 · Accepted Answer · edited Jan 01 '21 at 10:07

When you upload an app to the play store then the play store creates a new certificate called "App signing certificate". This will contain the SHA1 certificate that you require. It can be found at:

Select App -> Under Release -> Setup -> App Sigining on your play console. Copy SHA1 and paste it in your Go to Console -> Select Project -> Project Settings -> Under General Tab -> Under Your Apps -> Select App -> Add SHA1 fingerprint.

firebase phone authentication not working after .apk released in play store even after I have updated sha1 in firebase console

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