Firebase Phone Authentication verification failed

[Amna Shaikh]

hi I am implementing firebase phone authentication in flutter. It works fine 20 days ago but now it is not working and give me error. I try with different devices and projects but same response.

Here is Error: [SmsRetrieverHelper] SMS verification code request failed: unknown status code: 17499 Error code:39

Here is my  code:  void sendOTP(String phoneNumber) async {

    FirebaseAuth auth = FirebaseAuth.instance;
    ConfirmationResult confirmationResult ;
    await auth.verifyPhoneNumber(
      phoneNumber: phoneNumber,
      verificationCompleted: (PhoneAuthCredential credential) {
      },
      verificationFailed: (FirebaseAuthException e) {
        print("messeage");
        debugPrint('error message: ${e.message}');
        debugPrint('error code: ${e.code}');
        print(e.stackTrace);
      },
      codeSent: (String verificationId, int? resendToken) async {
      
      },
      codeAutoRetrievalTimeout: (String verificationId) {
        // Auto-retrieval failed, handle timeout
        print('Auto-verification timed out.');
      },
    );
  }

[Abdurahmon Mamadiyorov]

Hi bro, I am also facing this problem even though I am working with the documentation. This problem is not yours, Carriers blocked by firebase because they are slow in your country. You can use custom auth instead.

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[Ibrohim Abdivokhidov]

ok, thanks!

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