Hi, I have purchased a GPS tracking watch and also installed and registered on SE tracker app. I have put a SIM card in the watch .It rings when I call on the SIM number but I am not able to locate the device through app.It shows error that device is offline.I am using Airtel SIM in India. I already sent SMS to my watch pw,123456,ts#.here r the settings in attachment. Pls support what should I do to get this working.