CARDOT 4G Small Phone APP Control Pke Push start Car Alarm System With Remote Engine startAttention 1. Russia, Belarus, Cuba, Iran, North Korea, Syria, Crimea, Japan, South Korea, Peru, Chile, Ecuador, Turkey and Colombia cannot use our GPS,and our GPS does not work with Samsung phones. 2. Customers from other countries need to set up an APN to access to connect to the network before using GPS, then the GPS app can work. GPS positioning will only be located when the car is started and driving. 3. our gps app name is : ismartcar or