After a lot of research on forums, now I know that there is no way to find IMSI or SIM serial number for both the SIM cards in a dual SIM phone (except for contacting the ma
I have a Samsung Duos device with Android 4.4.4 and the method suggested by Seetha in the accepted answer (i.e. call getDeviceIdDs) does not work for me, as the method does not exist. I was able to recover all the information I needed by calling method "getDefault(int slotID)", as shown below:
public static void samsungTwoSims(Context context) {
TelephonyManager telephony = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
try{
Class> telephonyClass = Class.forName(telephony.getClass().getName());
Class>[] parameter = new Class[1];
parameter[0] = int.class;
Method getFirstMethod = telephonyClass.getMethod("getDefault", parameter);
Log.d(TAG, getFirstMethod.toString());
Object[] obParameter = new Object[1];
obParameter[0] = 0;
TelephonyManager first = (TelephonyManager) getFirstMethod.invoke(null, obParameter);
Log.d(TAG, "Device Id: " + first.getDeviceId() + ", device status: " + first.getSimState() + ", operator: " + first.getNetworkOperator() + "/" + first.getNetworkOperatorName());
obParameter[0] = 1;
TelephonyManager second = (TelephonyManager) getFirstMethod.invoke(null, obParameter);
Log.d(TAG, "Device Id: " + second.getDeviceId() + ", device status: " + second.getSimState()+ ", operator: " + second.getNetworkOperator() + "/" + second.getNetworkOperatorName());
} catch (Exception e) {
e.printStackTrace();
}
}
Also, I rewrote the code that iteratively tests for methods to recover this information so that it uses an array of method names instead of a sequence of try/catch. For instance, to determine if we have two active SIMs we could do:
private static String[] simStatusMethodNames = {"getSimStateGemini", "getSimState"};
public static boolean hasTwoActiveSims(Context context) {
boolean first = false, second = false;
for (String methodName: simStatusMethodNames) {
// try with sim 0 first
try {
first = getSIMStateBySlot(context, methodName, 0);
// no exception thrown, means method exists
second = getSIMStateBySlot(context, methodName, 1);
return first && second;
} catch (GeminiMethodNotFoundException e) {
// method does not exist, nothing to do but test the next
}
}
return false;
}
This way, if a new method name is suggested for some device, you can simply add it to the array and it should work.