The alarm in Cosafe goes through airplane mode if you have an internet connection. Airplane mode means that you have turned off the GSM network, which means that you need to connect to WiFi or WLAN to receive alarms.
Updated over a week ago
The alarm in Cosafe goes through airplane mode if you have an internet connection. Airplane mode means that you have turned off the GSM network, which means that you need to connect to WiFi or WLAN to receive alarms.