*Multi-SIMs
// Listen connection status for specific service
var conn = window.navigator.mozMobileConnectionmozMobileConnections[serviceId];
Once the mobile connection object is obtained, the follow work is the same. We can get notification when voice/data connection change occurs in specific SIM.
And also you can get total number of service via
var numberOfServices = window.navigator.mozMobileConnectionmozMobileConnections.length;
==== Get ICC Lock Status ====