Kurt "Cyberguy" Knutsson outlines the simple steps to block unknown calls on your Android and iPhone so you can avoid those spam calls.

How to block your phone number for every call If you don't want anyone to see your phone number when making calls, you can follow these directions. Step 1: On your Android phone, select the Phone app.

How to block No Caller ID calls on your Android Phone For those wishing to block incoming calls that present as ‘ No Caller ID ‘ or ‘ Withheld Number ‘ on your Android device, the ...

There are ways to block inappropriate and disturbing content on Android. Most are free and require little technical expertise to set up.