The New version of Phone App will alert the user that if the call is coming from a potential spam caller or not. Additionally, You will be able to report a Spam call and even block them.
All You have to do is Turn on caller ID & spam protection. To Turn it on, Just Open the Phone app, Tap the 3 dot menu, Tap Caller ID and Spam Protection and At Last Turn it on!
You can Update the App from Play Store.