Instructions for the watch are available in the device's box ... A simple way to check if your device is unlocked is to ...

Pair your Apple Watch with your iPhone. Once complete, place a test call on your iPhone to see if the SIM card is activated. Next, put your iPhone in Airplane Mode. Check if the Apple Watch is ...

Transfer your SIM card from the iPhone to the Android phone. Turn on your Android device and let it connect to your cellular network, then turn on the Apple Watch. At this point, your Apple Watch ...