Depending on your carrier, you might be charged for this SMS. If you're using an iPhone, you need SMS messaging to activate your phone number with iMessage and FaceTime. Make sure that you’re connected to a cellular data or Wi-Fi network.Could not sign in, please check your network connection.When activating iMessage or FaceTime, you might see one of these messages: If you see an error message during activation, follow these steps. To use iMessage or FaceTime, you need to activate them on your iPhone, iPad, or iPod touch.
