Are you getting a ton of spam text messages? How annoying is it to be interrupted with a notification on your iPhone, only for it to be yet another junk message? Here’s a secret: you can make these go away using a feature already in iOS. It’s just a little hidden.
Here’s how you do it.
1. Open Settings
Scroll down and down and down until you find Messages. Tap it.
2. Scroll until you find “Filter Unknown Messages”
This is the magic. Turn it on. You’ll have to scroll almost three pages to find this thing, but it’s worth it.
3. That’s it
Now, if you go into your messages app, you’ll see tabs at the top of the screen. On the left will be “Contacts & SMS” which will contain messages from known contacts in your address book. On the right will be the new “Unknown Senders” tab.
When you get a message from a sender not in your address book, you won’t get a notification. Instead, it will be dropped into this tab.
Warning: Once “Filter Unknown Senders” is enabled, it