diff --git a/dom/system/gonk/RadioInterfaceLayer.js b/dom/system/gonk/RadioInterfaceLayer.js
index 2d50aaf434d..25263ae418b 100644
--- a/dom/system/gonk/RadioInterfaceLayer.js
+++ b/dom/system/gonk/RadioInterfaceLayer.js
@@ -216,6 +216,7 @@ function RadioInterfaceLayer() {
     radioState:     RIL.GECKO_RADIOSTATE_UNAVAILABLE,
     cardState:      RIL.GECKO_CARDSTATE_UNKNOWN,
     iccInfo:        null,
+    imsi:           null,
 
     // These objects implement the nsIDOMMozMobileConnectionInfo interface,
     // although the actual implementation lives in the content process. So are
@@ -607,6 +608,9 @@ RadioInterfaceLayer.prototype = {
       case "iccinfochange":
         this.handleICCInfoChange(message);
         break;
+      case "iccimsi":
+        this.rilContext.imsi = message.imsi;
+        break;
       case "iccGetCardLock":
       case "iccSetCardLock":
       case "iccUnlockCardLock":
diff --git a/dom/system/gonk/ril_worker.js b/dom/system/gonk/ril_worker.js
index 53fc02096b2..e003f463085 100644
--- a/dom/system/gonk/ril_worker.js
+++ b/dom/system/gonk/ril_worker.js
@@ -793,7 +793,7 @@ let RIL = {
     this.iccInfoPrivate = {};
 
     /**
-     * ICC information, such as MSISDN, IMSI, ...etc.
+     * ICC information, such as MSISDN, MCC, MNC, SPN...etc.
      */
     this.iccInfo = {};
 
@@ -4355,7 +4355,14 @@ RIL[REQUEST_GET_IMSI] = function REQUEST_GET_IMSI(length, options) {
     return;
   }
 
-  this.iccInfo.imsi = Buf.readString();
+  this.iccInfoPrivate.imsi = Buf.readString();
+  if (DEBUG) {
+    debug("IMSI: " + this.iccInfoPrivate.imsi);
+  }
+
+  options.rilMessageType = "iccimsi";
+  options.imsi = this.iccInfoPrivate.imsi;
+  this.sendDOMMessage(options);
 };
 RIL[REQUEST_HANGUP] = function REQUEST_HANGUP(length, options) {
   if (options.rilRequestError) {
@@ -8851,22 +8858,23 @@ let ICCRecordHelper = {
       let length = Buf.readUint32();
       // Each octet is encoded into two chars.
       let len = length / 2;
-      RIL.iccInfo.ad = GsmPDUHelper.readHexOctetArray(len);
+      let ad = GsmPDUHelper.readHexOctetArray(len);
       Buf.readStringDelimiter(length);
 
       if (DEBUG) {
         let str = "";
-        for (let i = 0; i < RIL.iccInfo.ad.length; i++) {
-          str += RIL.iccInfo.ad[i] + ", ";
+        for (let i = 0; i < ad.length; i++) {
+          str += ad[i] + ", ";
         }
         debug("AD: " + str);
       }
 
-      if (RIL.iccInfo.imsi) {
+      let imsi = RIL.iccInfoPrivate.imsi;
+      if (imsi) {
         // MCC is the first 3 digits of IMSI.
-        RIL.iccInfo.mcc = parseInt(RIL.iccInfo.imsi.substr(0,3));
+        RIL.iccInfo.mcc = parseInt(imsi.substr(0,3));
         // The 4th byte of the response is the length of MNC.
-        RIL.iccInfo.mnc = parseInt(RIL.iccInfo.imsi.substr(3, RIL.iccInfo.ad[3]));
+        RIL.iccInfo.mnc = parseInt(imsi.substr(3, ad[3]));
         if (DEBUG) debug("MCC: " + RIL.iccInfo.mcc + " MNC: " + RIL.iccInfo.mnc);
         ICCUtilsHelper.handleICCInfoChange();
       }