Useragent not working in react-native-webview

Login via google from webview not working

I'm using react-native-webview and trying to login via google from webview

Error: disallowed_useragent

implemented google sign in from firebase web

 <WebView style={styles.WebViewStyle}
      userAgent={DeviceInfo.getUserAgent()}
      automaticallyAdjustContentInsets={false}
      source={{ uri: 'MY_URL' }}
      onLoad={() => this.hideSpinner()} />