If you want to block the unknown callers on Android, then these are the ways that will come in handy.

If you're constantly bothered by spam calls from loan agents, investment advisors, or real estate marketers, you're not alone ...

Spam calls from telemarketers and loan agents can be a constant nuisance. Fortunately, both Android and iPhone users can ...

To be clear, these methods don't stop robocalls. They just send them directly to voicemail without ever ringing your phone.