How does the SMS Spam Filter work?

Published: 2026-06-23 · Last updated: 2026-06-23

It detects phishing and scam patterns on-device and blocks harmful texts before you open them.

The filter analyzes incoming messages, detects phishing patterns, scam signals, and suspicious content, and blocks harmful texts before you open them. It works entirely on-device without uploading your SMS content to servers.