Android Check whether the phone is dual SIM

Question

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 manufacturer   Now my changed question is  can we at all detect that the phone has two SIMs  I believe it can be detected with some intelligence  Few ways I can think of are    Dialing an USSD code and tracing the logs for IMEI number  I tried this with  139  in India  It worked   This will give me IMEI number for the SIM from which I dialed the USSD code   It is presumed that the phone follows android guidelines and has two IMEI numbers   Storing the SIM serial number and or IMSI for the SIM  And after detection of any other IMSI Serial number even if the phone was not rebooted  i e  the SIM was switched  by tracing some logs or by some broadcast event handling  By dialing  06  you will get to see both IMEI numbers  By some way  get those two numbers   Something like screen capturing and image parsing for text     If anyone can think of some other ways  they are most welcome  I would really appreciate any kind of help regarding this  Also  if anyone has any information about any manufacturers APIs or links to contact them  please do share with the community people

User · Answer

Commonsware says this is not possible   Please see the following   Detecting Dual SIM using Android SDK is not possible   Here is further dialog on the subject   Google dev team guy says detecting Dual SIM using Android SDK is not possible

User · Answer

Update 23 March 15        Official multiple SIM API is available now from Android 5 1 onwards    Other possible option     You can use Java reflection to get both IMEI numbers    Using these IMEI numbers you can check whether the phone is a DUAL SIM or not    Try following activity     import android app Activity  import android os Bundle  import android widget TextView   public class MainActivity extends Activity         Override     protected void onCreate Bundle savedInstanceState            super onCreate savedInstanceState           setContentView R layout activity main            TelephonyInfo telephonyInfo   TelephonyInfo getInstance this            String imeiSIM1   telephonyInfo getImsiSIM1            String imeiSIM2   telephonyInfo getImsiSIM2             boolean isSIM1Ready   telephonyInfo isSIM1Ready            boolean isSIM2Ready   telephonyInfo isSIM2Ready             boolean isDualSIM   telephonyInfo isDualSIM             TextView tv    TextView  findViewById R id tv           tv setText   IME1       imeiSIM1     n                      IME2       imeiSIM2     n                      IS DUAL SIM       isDualSIM     n                      IS SIM1 READY       isSIM1Ready     n                      IS SIM2 READY       isSIM2Ready     n              And here is TelephonyInfo java     import java lang reflect Method   import android content Context  import android telephony TelephonyManager   public final class TelephonyInfo        private static TelephonyInfo telephonyInfo      private String imeiSIM1      private String imeiSIM2      private boolean isSIM1Ready      private boolean isSIM2Ready       public String getImsiSIM1             return imeiSIM1               public static void setImsiSIM1 String imeiSIM1            TelephonyInfo imeiSIM1   imeiSIM1               public String getImsiSIM2             return imeiSIM2               public static void setImsiSIM2 String imeiSIM2            TelephonyInfo imeiSIM2   imeiSIM2               public boolean isSIM1Ready             return isSIM1Ready               public static void setSIM1Ready boolean isSIM1Ready            TelephonyInfo isSIM1Ready   isSIM1Ready               public boolean isSIM2Ready             return isSIM2Ready               public static void setSIM2Ready boolean isSIM2Ready            TelephonyInfo isSIM2Ready   isSIM2Ready               public boolean isDualSIM             return imeiSIM2    null             private TelephonyInfo                public static TelephonyInfo getInstance Context context            if telephonyInfo    null                 telephonyInfo   new TelephonyInfo                 TelephonyManager telephonyManager     TelephonyManager  context getSystemService Context TELEPHONY SERVICE                 telephonyInfo imeiSIM1   telephonyManager getDeviceId                 telephonyInfo imeiSIM2   null               try                   telephonyInfo imeiSIM1   getDeviceIdBySlot context   getDeviceIdGemini   0                   telephonyInfo imeiSIM2   getDeviceIdBySlot context   getDeviceIdGemini   1                 catch  GeminiMethodNotFoundException e                    e printStackTrace                     try                       telephonyInfo imeiSIM1   getDeviceIdBySlot context   getDeviceId   0                       telephonyInfo imeiSIM2   getDeviceIdBySlot context   getDeviceId   1                     catch  GeminiMethodNotFoundException e1                          Call here for next manufacturer s predicted method name if you wish                     e1 printStackTrace                                                 telephonyInfo isSIM1Ready   telephonyManager getSimState      TelephonyManager SIM STATE READY              telephonyInfo isSIM2Ready   false               try                   telephonyInfo isSIM1Ready   getSIMStateBySlot context   getSimStateGemini   0                   telephonyInfo isSIM2Ready   getSIMStateBySlot context   getSimStateGemini   1                 catch  GeminiMethodNotFoundException e                     e printStackTrace                     try                       telephonyInfo isSIM1Ready   getSIMStateBySlot context   getSimState   0                       telephonyInfo isSIM2Ready   getSIMStateBySlot context   getSimState   1                     catch  GeminiMethodNotFoundException e1                          Call here for next manufacturer s predicted method name if you wish                     e1 printStackTrace                                                       return telephonyInfo             private static String getDeviceIdBySlot Context context  String predictedMethodName  int slotID  throws GeminiMethodNotFoundException            String imei   null           TelephonyManager telephony    TelephonyManager  context getSystemService Context TELEPHONY SERVICE            try               Class lt   gt  telephonyClass   Class forName telephony getClass   getName                  Class lt   gt    parameter   new Class 1               parameter 0    int class              Method getSimID   telephonyClass getMethod predictedMethodName  parameter                Object   obParameter   new Object 1               obParameter 0    slotID              Object ob phone   getSimID invoke telephony  obParameter                if ob phone    null                   imei   ob phone toString                             catch  Exception e                e printStackTrace                throw new GeminiMethodNotFoundException predictedMethodName                      return imei             private static  boolean getSIMStateBySlot Context context  String predictedMethodName  int slotID  throws GeminiMethodNotFoundException            boolean isReady   false           TelephonyManager telephony    TelephonyManager  context getSystemService Context TELEPHONY SERVICE            try               Class lt   gt  telephonyClass   Class forName telephony getClass   getName                  Class lt   gt    parameter   new Class 1               parameter 0    int class              Method getSimStateGemini   telephonyClass getMethod predictedMethodName  parameter                Object   obParameter   new Object 1               obParameter 0    slotID              Object ob phone   getSimStateGemini invoke telephony  obParameter                if ob phone    null                   int simState   Integer parseInt ob phone toString                     if simState    TelephonyManager SIM STATE READY                       isReady   true                                            catch  Exception e                e printStackTrace                throw new GeminiMethodNotFoundException predictedMethodName                      return isReady              private static class GeminiMethodNotFoundException extends Exception            private static final long serialVersionUID   -996812356902545308L           public GeminiMethodNotFoundException String info                super info                       Edit    Getting access of methods like  getDeviceIdGemini  for other SIM slot s detail has prediction that method exist   If that method s name doesn t match with one given by device manufacturer than it will not work  You have to find corresponding method name for those devices    Finding method names for other manufacturers can be done using Java reflection as follows     public static void printTelephonyManagerMethodNamesForThisDevice Context context         TelephonyManager telephony    TelephonyManager  context getSystemService Context TELEPHONY SERVICE       Class lt   gt  telephonyClass      try           telephonyClass   Class forName telephony getClass   getName             Method   methods   telephonyClass getMethods            for  int idx   0  idx  lt  methods length  idx                   System out println   n    methods idx      declared by     methods idx  getDeclaringClass                     catch  ClassNotFoundException e            e printStackTrace               EDIT      As Seetha pointed out in her comment     telephonyInfo imeiSIM1   getDeviceIdBySlot context   getDeviceIdDs   0   telephonyInfo imeiSIM2   getDeviceIdBySlot context   getDeviceIdDs   1      It is working for her  She was successful in getting two IMEI numbers for both the SIM in Samsung Duos device   Add  lt uses-permission android name  android permission READ PHONE STATE    gt   EDIT 2     The method used for retrieving data is for Lenovo A319 and other phones by that manufacture  Credit Maher Abuthraa     telephonyInfo imeiSIM1   getDeviceIdBySlot context   getSimSerialNumberGemini   0    telephonyInfo imeiSIM2   getDeviceIdBySlot context   getSimSerialNumberGemini   1

User · Answer

There are several native solutions I ve found while searching the way to check network operator   For API   17   TelephonyManager manager    TelephonyManager context getSystemService Context TELEPHONY SERVICE       Get information about all radio modules on device board    and check what you need by calling  getCellIdentity   final List lt CellInfo gt  allCellInfo   manager getAllCellInfo    for  CellInfo cellInfo   allCellInfo        if  cellInfo instanceof CellInfoGsm            CellIdentityGsm cellIdentity     CellInfoGsm  cellInfo  getCellIdentity              TODO Use cellIdentity to check MCC MNC code  for instance        else if  cellInfo instanceof CellInfoWcdma            CellIdentityWcdma cellIdentity     CellInfoWcdma  cellInfo  getCellIdentity          else if  cellInfo instanceof CellInfoLte            CellIdentityLte cellIdentity     CellInfoLte  cellInfo  getCellIdentity          else if  cellInfo instanceof CellInfoCdma            CellIdentityCdma cellIdentity     CellInfoCdma  cellInfo  getCellIdentity               In AndroidManifest add permission    lt manifest xmlns android  http   schemas android com apk res android       lt uses-permission android name  android permission ACCESS COARSE LOCATION    gt   lt  manifest gt    To get network operator you can check mcc and mnc codes    https   en wikipedia org wiki Mobile country code  general information   https   clients txtnation com hc en-us articles 218719768-MCCMNC-mobile-country-code-and-mobile-network-code-list-  quite full and quite latest list of operators     For API   22   final SubscriptionManager subscriptionManager   SubscriptionManager from context   final List lt SubscriptionInfo gt  activeSubscriptionInfoList   subscriptionManager getActiveSubscriptionInfoList    for  SubscriptionInfo subscriptionInfo   activeSubscriptionInfoList        final CharSequence carrierName   subscriptionInfo getCarrierName        final CharSequence displayName   subscriptionInfo getDisplayName        final int mcc   subscriptionInfo getMcc        final int mnc   subscriptionInfo getMnc        final String subscriptionInfoNumber   subscriptionInfo getNumber        For API   23  To just check if phone is dual triple many sim   TelephonyManager manager    TelephonyManager context getSystemService Context TELEPHONY SERVICE   if  manager getPhoneCount      2           Dual sim

User · Answer

I was taking a look at the call logs and I noticed that apart from the usual fields in the contents of managedCursor  we have a column  simid  in Dual SIM phones  I checked on Xolo A500s Lite   so as to tag each call in the call log with a SIM  This value is either 1 or 2  most probably denoting SIM1 SIM2   managedCursor   context getContentResolver   query contacts  null  null  null  null   managedCursor moveToNext            for int i 0 i lt managedCursor getColumnCount   i       for dual sim phones     if managedCursor getColumnName i  toLowerCase   equals  simid            indexSIMID i      I did not find this column in a single SIM phone  I checked on Xperia L    So although I don t think this is a foolproof way to check for dual SIM nature  I am posting it here because it could be useful to someone

User · Answer

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 lt   gt  telephonyClass   Class forName telephony getClass   getName              Class lt   gt    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  amp  amp  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

User · Answer

I am able to read both the IMEI s from OnePlus 2 Phone    if  Build VERSION SDK INT  gt   Build VERSION CODES M                    TelephonyManager manager    TelephonyManager  getActivity   getSystemService Context TELEPHONY SERVICE                   Log i TAG   Single or Dual Sim     manager getPhoneCount                     Log i TAG   Default device ID     manager getDeviceId                     Log i TAG   Single 1     manager getDeviceId 0                    Log i TAG   Single 2     manager getDeviceId 1

User · Answer

Tips   You can try to use  ctx getSystemService  phone msim    instead of  ctx getSystemService Context TELEPHONY SERVICE   If you have already tried Vaibhav s answer and telephony getClass   getMethod   fails  above is what works for my Qualcomm mobile

User · Answer

I have found these system properties on Samsung S8   SystemProperties getInt  ro multisim simslotcount   1   gt  1   Also  according to the source  https   android googlesource com platform frameworks base   master telephony java com android internal telephony TelephonyProperties java  getprop persist radio multisim config returns  dsds  or  dsda  on multi sim   I have tested this on Samsung S8 and it works

[android] Android : Check whether the phone is dual SIM

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