Ensure the iPhone is set to network time.
Navigate: Settings > General > Date & Time then tap the Set Automatically switch to turn on .
Ensure the primary caregiver has the correct mobile number of the Gizmo device.
Primary caregiver follows the instructions on the app to enter the needed info.
If the Gizmo doesn't link to the primary caregiver, the caregiver isn't communicating with the device.
If unable to link the Gizmo and the Wi-Fi is enabled on the primary caregiver's iPhone, turn Wi-Fi off and try linking again. Here are other possible causes:
Caregiver entered the wrong GizmoWatch device mobile number.