How to Filter Text Messages from Unknown Numbers on iPhone 15 (UK Guide)
Spam SMS messages are a common issue for smartphone users in the UK. Fortunately, the iPhone 15 includes a built-in feature called Filter Unknown Senders that helps separate messages from unknown numbers and keeps your main inbox organized.
Quick Tip: When the Filter Unknown Senders feature is enabled, messages from numbers not saved in your contacts are automatically placed in a separate list.
Why Filter Messages from Unknown Numbers?
- Reduces spam and marketing messages
- Keeps your main inbox focused on known contacts
- Helps prevent phishing or scam SMS attempts
- Minimizes unnecessary message notifications
Steps to Enable Message Filtering on iPhone 15
- Open the Settings app on your iPhone.
- Scroll down and tap Messages.
- Find the option Filter Unknown Senders.
- Toggle the feature ON.
Once activated, your Messages app will display separate sections for known contacts and unknown senders.
Where Filtered Messages Appear
- Open the Messages app.
- Tap Filters in the top corner.
- Select Unknown Senders to view filtered messages.
Important: Filtered messages are not deleted. They are simply placed in a separate folder so you can review them if necessary.
Extra Tips for UK iPhone Users
- Do not click suspicious links sent by unknown numbers
- Report scam messages to your mobile network provider
- Block suspicious numbers directly from the message conversation
- Keep your iPhone updated to the latest iOS version
Reminder: Enabling message filtering on your iPhone 15 helps reduce spam messages and keeps your SMS inbox organized.
Using the built-in filtering feature is one of the easiest ways to manage unknown messages and protect yourself from unwanted SMS in the UK.