Does the SOS button work without a data plan? Melanie August 16, 2022 13:24 Updated No, to use the SOS function you must have an active data plan to access the satellite network. Make sure your device is active before your adventure. You cannot activate a data plan via satellite in the backcountry. Related articles How to Send an SOS How do the monthly plans work? How to Setup a Check-in Message How to track and share location with friends and family Comments 0 comments Please sign in to leave a comment.