QT mobility only provide current operator name.
Using DBus, try to use 2 interface
1. "GetServiceProviderName" fail, return empty string.
2. "GetIMSI" success.

Could you please forward this error to "Cellular Services Daemon (CSD) SIM
Services Plugin" component?

QDBusInterface connectionInterface("com.nokia.csd.SIM",
"/com/nokia/csd/sim",
"com.nokia.csd.SIM.Identity",
QDBusConnection::systemBus(), this);

QDBusReply< QString > reply2 = connectionInterface.call("GetIMSI");
qDebug() << "GetIMSI: " << reply2.value();
QDBusReply< QString > reply =
connectionInterface.call("GetServiceProviderName");
QString networkName = reply.value();
qDebug() << "GetServiceProviderName: " << networkName;
return networkName;