diff --git a/dom/system/gonk/ril_consts.js b/dom/system/gonk/ril_consts.js
index 401c4e7bec86..c0c9680b9e06 100644
--- a/dom/system/gonk/ril_consts.js
+++ b/dom/system/gonk/ril_consts.js
@@ -2350,6 +2350,18 @@ this.GECKO_CARDSTATE_SERVICE_PROVIDER_PUK_REQUIRED = "serviceProviderPukRequired
 this.GECKO_CARDSTATE_SIM_PUK_REQUIRED              = "simPersonalizationPukRequired";
 this.GECKO_CARDSTATE_READY                         = "ready";
 
+this.GECKO_CARDLOCK_PIN      = "pin";
+this.GECKO_CARDLOCK_PIN2     = "pin2";
+this.GECKO_CARDLOCK_PUK      = "puk";
+this.GECKO_CARDLOCK_PUK2     = "puk2";
+this.GECKO_CARDLOCK_FDN      = "fdn";
+this.GECKO_CARDLOCK_NCK      = "nck";
+this.GECKO_CARDLOCK_CCK      = "cck";
+this.GECKO_CARDLOCK_SPCK     = "spck";
+this.GECKO_CARDLOCK_NCK_PUK  = "nckPuk";
+this.GECKO_CARDLOCK_CCK_PUK  = "cckPuk";
+this.GECKO_CARDLOCK_SPCK_PUK = "spckPuk";
+
 // See ril.h RIL_PersoSubstate
 this.PERSONSUBSTATE = {};
 PERSONSUBSTATE[CARD_PERSOSUBSTATE_UNKNOWN] = GECKO_CARDSTATE_UNKNOWN;
@@ -2366,12 +2378,12 @@ PERSONSUBSTATE[CARD_PERSOSUBSTATE_SIM_SERVICE_PROVIDER_PUK] = GECKO_CARDSTATE_SE
 PERSONSUBSTATE[CARD_PERSOSUBSTATE_READY] = GECKO_CARDSTATE_READY;
 
 this.GECKO_PERSO_LOCK_TO_CARD_PERSO_LOCK = {};
-GECKO_PERSO_LOCK_TO_CARD_PERSO_LOCK["nck"] = CARD_PERSOSUBSTATE_SIM_NETWORK;
-GECKO_PERSO_LOCK_TO_CARD_PERSO_LOCK["cck"] = CARD_PERSOSUBSTATE_SIM_CORPORATE;
-GECKO_PERSO_LOCK_TO_CARD_PERSO_LOCK["spck"] = CARD_PERSOSUBSTATE_SIM_SERVICE_PROVIDER;
-GECKO_PERSO_LOCK_TO_CARD_PERSO_LOCK["nckPuk"] = CARD_PERSOSUBSTATE_SIM_NETWORK_PUK;
-GECKO_PERSO_LOCK_TO_CARD_PERSO_LOCK["cckPuk"] = CARD_PERSOSUBSTATE_SIM_CORPORATE_PUK;
-GECKO_PERSO_LOCK_TO_CARD_PERSO_LOCK["spckPuk"] = CARD_PERSOSUBSTATE_SIM_SERVICE_PROVIDER_PUK;
+GECKO_PERSO_LOCK_TO_CARD_PERSO_LOCK[GECKO_CARDLOCK_NCK] = CARD_PERSOSUBSTATE_SIM_NETWORK;
+GECKO_PERSO_LOCK_TO_CARD_PERSO_LOCK[GECKO_CARDLOCK_CCK] = CARD_PERSOSUBSTATE_SIM_CORPORATE;
+GECKO_PERSO_LOCK_TO_CARD_PERSO_LOCK[GECKO_CARDLOCK_SPCK] = CARD_PERSOSUBSTATE_SIM_SERVICE_PROVIDER;
+GECKO_PERSO_LOCK_TO_CARD_PERSO_LOCK[GECKO_CARDLOCK_NCK_PUK] = CARD_PERSOSUBSTATE_SIM_NETWORK_PUK;
+GECKO_PERSO_LOCK_TO_CARD_PERSO_LOCK[GECKO_CARDLOCK_CCK_PUK] = CARD_PERSOSUBSTATE_SIM_CORPORATE_PUK;
+GECKO_PERSO_LOCK_TO_CARD_PERSO_LOCK[GECKO_CARDLOCK_SPCK_PUK] = CARD_PERSOSUBSTATE_SIM_SERVICE_PROVIDER_PUK;
 
 this.GECKO_NETWORK_SELECTION_UNKNOWN   = null;
 this.GECKO_NETWORK_SELECTION_AUTOMATIC = "automatic";
diff --git a/dom/system/gonk/ril_worker.js b/dom/system/gonk/ril_worker.js
index fd88f44d59d4..781edae56c8a 100644
--- a/dom/system/gonk/ril_worker.js
+++ b/dom/system/gonk/ril_worker.js
@@ -967,28 +967,28 @@ let RIL = {
    */
   iccUnlockCardLock: function iccUnlockCardLock(options) {
     switch (options.lockType) {
-      case "pin":
+      case GECKO_CARDLOCK_PIN:
         this.enterICCPIN(options);
         break;
-      case "pin2":
+      case GECKO_CARDLOCK_PIN2:
         this.enterICCPIN2(options);
         break;
-      case "puk":
+      case GECKO_CARDLOCK_PUK:
         this.enterICCPUK(options);
         break;
-      case "puk2":
+      case GECKO_CARDLOCK_PUK2:
         this.enterICCPUK2(options);
         break;
-      case "nck":
-      case "cck": // Fall through.
-      case "spck": {
+      case GECKO_CARDLOCK_NCK:
+      case GECKO_CARDLOCK_CCK: // Fall through.
+      case GECKO_CARDLOCK_SPCK: {
         let type = GECKO_PERSO_LOCK_TO_CARD_PERSO_LOCK[options.lockType];
         this.enterDepersonalization(type, options.pin, options);
         break;
       }
-      case "nckPuk":
-      case "cckPuk": // Fall through.
-      case "spckPuk": {
+      case GECKO_CARDLOCK_NCK_PUK:
+      case GECKO_CARDLOCK_CCK_PUK: // Fall through.
+      case GECKO_CARDLOCK_SPCK_PUK: {
         let type = GECKO_PERSO_LOCK_TO_CARD_PERSO_LOCK[options.lockType];
         this.enterDepersonalization(type, options.puk, options);
         break;
@@ -1057,10 +1057,10 @@ let RIL = {
   iccSetCardLock: function iccSetCardLock(options) {
     if (options.newPin !== undefined) { // Change PIN lock.
       switch (options.lockType) {
-        case "pin":
+        case GECKO_CARDLOCK_PIN:
           this.changeICCPIN(options);
           break;
-        case "pin2":
+        case GECKO_CARDLOCK_PIN2:
           this.changeICCPIN2(options);
           break;
         default:
@@ -1070,11 +1070,11 @@ let RIL = {
       }
     } else { // Enable/Disable lock.
       switch (options.lockType) {
-        case "pin":
+        case GECKO_CARDLOCK_PIN:
           options.facility = ICC_CB_FACILITY_SIM;
           options.password = options.pin;
           break;
-        case "fdn":
+        case GECKO_CARDLOCK_FDN:
           options.facility = ICC_CB_FACILITY_FDN;
           options.password = options.pin2;
           break;
@@ -1180,10 +1180,10 @@ let RIL = {
    */
   iccGetCardLockState: function iccGetCardLockState(options) {
     switch (options.lockType) {
-      case "pin":
+      case GECKO_CARDLOCK_PIN:
         options.facility = ICC_CB_FACILITY_SIM;
         break;
-      case "fdn":
+      case GECKO_CARDLOCK_FDN:
         options.facility = ICC_CB_FACILITY_FDN;
         break;
       default: