How to Block Calls on an Android Smartphone

Rest assured, there are ways to block those unwanted calls on Android devices. But finding the path to block calls can take some digging. Some manufactures bury black-list features deep in your phone settings. Even worse, some older devices may not even provide native blocking features.
Thankfully, there are several ways to block calls on your Android device. Here’s our guide to blocking phone calls (and text messages) on your Android phone. We’ll take a look at how to do it with your phone’s native features, and then we’ll suggest a couple of call blocking Android apps that are worth considering. Finally, we’ll provide information to block callers by contacting your phone carrier.
The methods for doing this will vary slightly according to your specific device and the version of Android that you are using. Many tutorials exist for your specific device on YouTube and the XDA developers forum.