diff --git a/radio/1.5/IRadioResponse.hal b/radio/1.5/IRadioResponse.hal
index 2ed789a..aeb7b84 100644
--- a/radio/1.5/IRadioResponse.hal
+++ b/radio/1.5/IRadioResponse.hal
@@ -20,6 +20,8 @@
 import @1.4::IRadioResponse;
 import @1.5::BarringInfo;
 import @1.5::SetupDataCallResult;
+import @1.4::SetupDataCallResult;
+import @1.5::PersoSubstate;
 
 /**
  * Interface declaring response functions to solicited radio requests.
@@ -170,4 +172,26 @@
      *   RadioError:MODEM_ERR
      */
     oneway getBarringInfoResponse(RadioResponseInfo info, vec<BarringInfo> barringInfos);
+
+    /**
+     * @param info Response info struct containing response type, serial no. and error
+     * @param persoType SIM Personalisation type
+     * @param remainingRetries Positive values indicates number of retries remaining,
+     * must be equal to -1 if number of retries are 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);
 };