If your device is not connecting to the network, you need to ensure you have put the device outside for 2 hours, and press the buttons mutliple times which helps to jumpstart the device into finding nearby towers. Some devices take longer than others to connect as it is dependant on how many towers there are in your area, as it will calculate the best network to provide you with the most accurate location. Give it time, and if you feel you have set the device up wrong after multiple hours of it beign set up, you can read the article on how to unbind the tracker and start over.