flutter firebase authentication Error after publishing on google play say the code not true send again

Question

I have a problem with firebase authentication by phone number process, I have copied SHA-1 from App Signing, And I pasted it in firebase fingerprint, The problem that I face now is that when I enter the phone number, a message is sent correctly, but when I enter the code, the authentication fails. notes, this problem does not exist when the application is running on a Debug mode, just when app on google play

Answer 1

Update SHA-1 Key in Firebase project setting

Also check your google cloud project api key setting and also add SHA-1 Key credentials if you have Key restrictions.