title: I am facing an issue with phone auth. The phone auth is working fine in development, but throwing an error when in test flight build
body: <p>When I am clicking for  generating OTP with signinwithphonenumber() method. Firebase returns "Error: An internal error has occurred." this error in some iOS devices. While in development it is working fine. But test flight build returns this error in some devices and working fine with other device. I have done coding in react-native.Can anyone please help me resolving this issue? It would be a great help.
  Thank you.</p>