Ensure the date and time settings on the smartphone are set automatically.
Ensure the primary caregiver has the correct mobile number of the GizmoWatch.
Primary caregiver follows the instructions on the app to enter the needed info.
If the Gizmo does not link to the primary caregiver, you're not communicating with the device. Try turning Wi-Fi off and linking again. Here are other possible causes:
Caregiver entered the wrong GizmoWatch device mobile number.