How can I change vibration strength of my smartwatch? Vibration strength is adjustable on some models. Tap Profile on the right bottom of the app. Tap the setting cog beside the image of the watch. You can choose Medium or Strong. Related articles How do I use Do Not Disturb mode? How do I turn the sound off on my smartwatch? How do I take calls on my watch? How do I set the time on my watch? How do I use Bluetooth headphones with my smartwatch?