When you have purchased a Possio Tracker you will need to install the iOS/Android app and start an account. You can download the apps via the App Store/Google Play through the links below. Connect your app to the device using the serial number or QR code on the box or back of the device as shown below.
Iphone: https://appstore.com/PossioTracker
Android: https://play.google.com/store/apps/details?id=com.possio.tracker