Firebase is not sending OTP to the Mobile Number

_x000D_ _x000D_ I am facing something different type of problem. I am using Firebase Mobile number authentication in my App. When I am trying to send OTP to the same mobile number that I am using, the OTP is not sending. However, if I am sending OTP to the other mobiles from my mobile OTP is sending. I also found If I send OTP from another mobile to my number OTP is coming. Hence there is no issue of Mobile Number. On Debugging I found that this code block is not working @Override public void onCodeSent(String verificationId, PhoneAuthProvider.ForceResendingToken forceResendingToken) { super.onCodeSent(verificationId, forceResendingToken); Log.e(TAG, "onCodeSent: s - " + verificationId + " : t - " + forceResendingToken); xVerificationId = verificationId; } For other numbers, it is working and verification and forceResendingToken are generating.