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 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 ...

Android now lets you block entire number ranges to combat spam and telemarketing calls.

Discover how to implement call blocking on any phone in six simple steps or less, whether it's an iPhone, Android, Pixel, or landline.