How do I deactivate the SMS Spam Filter? Updated October 13, 2017 15:15 Follow To deactivate this feature, visit your iPhone settings: 1. Tap on 'Messages' 2. SMS Filtering > Disable Truecaller. Related articles How to I filter spam messages on iPhone? Spammers are not identified & blocked? How can i block calls? How can I subscribe/unsubscribe from the Newsletter? Why do some numbers end up in SMS Junk? I've deleted the app but I still get notified about spam calls (red screen) Comments 0 comments Please sign in to leave a comment.