To remove or insert a SIM card, open the SIM card cover at the back of the watch using the SIM card cover opener. Note: Power off the device before removing or inserting a SIM card.
Align the SIM card cover opener with the holes on the back of the device, then turn the cover counter-clockwise until the cover reaches the UNLOCK position. To remove the cover, while firmly holding the device, lift the SIM card cover up.
To remove the SIM card, gently slide the SIM card out of the watch. To insert a SIM card, slide the card into the watch with the gold contacts facing down and the notched edge going in first.
When the SIM is removed the Missing SIM icon will appear on the Quick Settings screen. Swipe down from the top of theclock-screen to view.
When finished removing or inserting a SIM card, place the SIM card cover back on the device. Align the SIM card cover opener with the holes on the back of the wearable, then turn the cover clockwise until the cover reaches the LOCK position.