diff --git a/radio/1.5/IRadio.hal b/radio/1.5/IRadio.hal
index bea0454..bc40500 100644
--- a/radio/1.5/IRadio.hal
+++ b/radio/1.5/IRadio.hal
@@ -26,6 +26,7 @@
 import @1.5::IndicationFilter;
 import @1.5::LinkAddress;
 import @1.5::NetworkScanRequest;
+import @1.5::PersoSubstate;
 import @1.5::RadioAccessNetworks;
 import @1.5::RadioAccessSpecifier;
 import @1.5::SignalThresholdInfo;
@@ -294,4 +295,15 @@
      * Response callback is IRadioResponse.sendCdmaSMSExpectMoreResponse()
      */
     oneway sendCdmaSmsExpectMore(int32_t serial, CdmaSmsMessage sms);
+
+    /**
+     * Requests that deactivates one category of the device personalization.
+     *
+     * @param serial Serial number of request.
+     * @param persoType SIM personalization type.
+     * @param controlKey depersonalization code corresponding to persoType
+     *
+     * Response function is IRadioResponse.supplySimDepersonalizationResponse()
+     */
+    oneway supplySimDepersonalization(int32_t serial, PersoSubstate persoType, string controlKey);
 };
diff --git a/radio/1.5/IRadioResponse.hal b/radio/1.5/IRadioResponse.hal
index 9fa521e..6a2187f 100644
--- a/radio/1.5/IRadioResponse.hal
+++ b/radio/1.5/IRadioResponse.hal
@@ -23,6 +23,8 @@
 import @1.5::CellInfo;
 import @1.5::RegStateResult;
 import @1.5::SetupDataCallResult;
+import @1.4::SetupDataCallResult;
+import @1.5::PersoSubstate;
 
 /**
  * Interface declaring response functions to solicited radio requests.
@@ -175,7 +177,6 @@
     oneway getBarringInfoResponse(RadioResponseInfo info, vec<BarringInfo> barringInfos);
 
     /**
-     * @param info Response info struct containing response type, serial no. and error
      * @param voiceRegResponse Current Voice registration response as defined by RegStateResult
      *        in types.hal
      *
@@ -268,4 +269,26 @@
      *   RadioError:SIM_ABSENT
      */
     oneway sendCdmaSmsExpectMoreResponse(RadioResponseInfo info, SendSmsResult sms);
+
+    /**
+     * @param info Response info struct contatining response type, serial no. and error
+     * @param persoType SIM Personalisation type
+     * @param remainingRetries postiive values indicates number of retries remaining,
+     * must be equal to -1 if number of retries is infinite.
+     *
+     * Valid errors returned:
+     *   RadioError:NONE
+     *   RadioError:RADIO_NOT_AVAILABLE
+     *   RadioError:PASSWORD_INCORRECT (code is invalid)
+     *   RadioError:NO_MEMORY
+     *   RadioError:INVALID_SIM_STATE
+     *   RadioError:INTERNAL_ERR
+     *   RadioError:SYSTEM_ERR
+     *   RadioError:MODEM_ERR
+     *   RadioError:INVALID_ARGUMENTS
+     *   RadioError:NO_RESOURCES
+     *   RadioError:REQUEST_NOT_SUPPORTED
+     */
+    oneway supplySimDepersonalizationResponse(RadioResponseInfo info,
+        PersoSubstate persoType, int32_t remainingRetries);
 };
diff --git a/radio/1.5/types.hal b/radio/1.5/types.hal
index 82feced..cf195cc 100644
--- a/radio/1.5/types.hal
+++ b/radio/1.5/types.hal
@@ -23,6 +23,7 @@
 import @1.0::EvdoSignalStrength;
 import @1.0::GsmSignalStrength;
 import @1.0::LteSignalStrength;
+import @1.0::PersoSubstate;
 import @1.0::RadioAccessFamily;
 import @1.0::RadioError;
 import @1.0::RegState;
@@ -1029,3 +1030,19 @@
      */
     vec<CellInfo> networkInfos;
 };
+
+/**
+ * Additional personalization categories in addition to those specified in 3GPP TS 22.022 and 3GPP2 C.S0068-0.
+ */
+enum PersoSubstate : @1.0::PersoSubstate {
+    SIM_SPN,
+    SIM_SPN_PUK,
+    SIM_SP_EHPLMN,              // Equivalent Home PLMN
+    SIM_SP_EHPLMN_PUK,
+    SIM_ICCID,
+    SIM_ICCID_PUK,
+    SIM_IMPI,
+    SIM_IMPI_PUK,
+    SIM_NS_SP,                  // Network subset service provider
+    SIM_NS_SP_PUK,
+};
diff --git a/radio/1.5/vts/functional/radio_hidl_hal_utils_v1_5.h b/radio/1.5/vts/functional/radio_hidl_hal_utils_v1_5.h
index 6e6576e..d1c17e6 100644
--- a/radio/1.5/vts/functional/radio_hidl_hal_utils_v1_5.h
+++ b/radio/1.5/vts/functional/radio_hidl_hal_utils_v1_5.h
@@ -114,6 +114,9 @@
     Return<void> supplyNetworkDepersonalizationResponse(const RadioResponseInfo& info,
                                                         int32_t remainingRetries);
 
+    Return<void> supplySimDepersonalizationResponse(const RadioResponseInfo& info,
+            ::android::hardware::radio::V1_5::PersoSubstate persoType, int32_t remainingRetries);
+
     Return<void> getCurrentCallsResponse(
             const RadioResponseInfo& info,
             const ::android::hardware::hidl_vec<::android::hardware::radio::V1_0::Call>& calls);
diff --git a/radio/1.5/vts/functional/radio_response.cpp b/radio/1.5/vts/functional/radio_response.cpp
index 223acd0..a62d086 100644
--- a/radio/1.5/vts/functional/radio_response.cpp
+++ b/radio/1.5/vts/functional/radio_response.cpp
@@ -62,6 +62,13 @@
     return Void();
 }
 
+Return<void> RadioResponse_v1_5::supplySimDepersonalizationResponse(
+        const RadioResponseInfo& /*info*/,
+        ::android::hardware::radio::V1_5::PersoSubstate /*persoType*/,
+        int32_t /*remainingRetries*/) {
+    return Void();
+}
+
 Return<void> RadioResponse_v1_5::getCurrentCallsResponse(
         const RadioResponseInfo& /*info*/,
         const ::android::hardware::hidl_vec<::android::hardware::radio::V1_0::Call>& /*calls*/) {