diff --git a/radio/1.6/IRadio.hal b/radio/1.6/IRadio.hal
index c83de29..da81317 100644
--- a/radio/1.6/IRadio.hal
+++ b/radio/1.6/IRadio.hal
@@ -496,4 +496,20 @@
      * Response function is IRadioResponse.getCurrentCallsResponse_1_6()
      */
     oneway getCurrentCalls_1_6(int32_t serial);
+
+    /**
+     * Provide Carrier specific information to the modem that must be used to
+     * encrypt the IMSI and IMPI. Sent by the framework during boot, carrier
+     * switch and everytime the framework receives a new certificate.
+     *
+     * @param serial Serial number of request.
+     * @param imsiEncryptionInfo ImsiEncryptionInfo as defined in types.hal.
+     *
+     * Response callback is
+     * IRadioResponse.setCarrierInfoForImsiEncryptionResponse()
+     *
+     * Note this API is the same as the 1.1 version except using the 1.6 ImsiEncryptionInfo
+     * as the input param.
+     */
+    oneway setCarrierInfoForImsiEncryption_1_6(int32_t serial, @1.6::ImsiEncryptionInfo imsiEncryptionInfo);
 };
diff --git a/radio/1.6/types.hal b/radio/1.6/types.hal
index 875d40a..238ffb4 100644
--- a/radio/1.6/types.hal
+++ b/radio/1.6/types.hal
@@ -27,6 +27,7 @@
 import @1.1::GeranBands;
 import @1.1::ScanStatus;
 import @1.1::UtranBands;
+import @1.1::ImsiEncryptionInfo;
 import @1.2::Call;
 import @1.2::CellInfoCdma;
 import @1.2::CellConnectionStatus;
@@ -898,3 +899,20 @@
      */
     SLICE_REJECTED = 0x8CC,
 };
+
+/**
+ * Public key type from carrier certificate.
+ */
+enum PublicKeyType : int32_t {
+    EPDG    = 1,                   // Key type to be used for ePDG
+    WLAN    = 2,                   // Key type to be used for WLAN
+};
+
+/**
+ * Carrier specific Information sent by the carrier,
+ * which will be used to encrypt the IMSI and IMPI.
+ */
+struct ImsiEncryptionInfo {
+    @1.1::ImsiEncryptionInfo base;
+    PublicKeyType keyType;         // Public key type
+};
diff --git a/radio/1.6/vts/functional/radio_hidl_hal_api.cpp b/radio/1.6/vts/functional/radio_hidl_hal_api.cpp
index 44900b8..1b476a4 100644
--- a/radio/1.6/vts/functional/radio_hidl_hal_api.cpp
+++ b/radio/1.6/vts/functional/radio_hidl_hal_api.cpp
@@ -583,3 +583,29 @@
     EXPECT_EQ(serial, radioRsp_v1_6->rspInfo.serial);
     EXPECT_EQ(::android::hardware::radio::V1_6::RadioError::NONE, radioRsp_v1_6->rspInfo.error);
 }
+
+/*
+ * Test IRadio.setCarrierInfoForImsiEncryption_1_6() for the response returned.
+ */
+TEST_P(RadioHidlTest_v1_6, setCarrierInfoForImsiEncryption_1_6) {
+    serial = GetRandomSerialNumber();
+    ::android::hardware::radio::V1_6::ImsiEncryptionInfo imsiInfo;
+    imsiInfo.base.mcc = "310";
+    imsiInfo.base.mnc = "004";
+    imsiInfo.base.carrierKey = (std::vector<uint8_t>){1, 2, 3, 4, 5, 6};
+    imsiInfo.base.keyIdentifier = "Test";
+    imsiInfo.base.expirationTime = 20180101;
+    imsiInfo.keyType = PublicKeyType::EPDG;
+
+    radio_v1_6->setCarrierInfoForImsiEncryption_1_6(serial, imsiInfo);
+    EXPECT_EQ(std::cv_status::no_timeout, wait());
+    EXPECT_EQ(RadioResponseType::SOLICITED, radioRsp_v1_6->rspInfo.type);
+    EXPECT_EQ(serial, radioRsp_v1_6->rspInfo.serial);
+
+    if (cardStatus.base.base.base.cardState == CardState::ABSENT) {
+        ASSERT_TRUE(CheckAnyOfErrors(
+                radioRsp_v1_6->rspInfo.error,
+                {::android::hardware::radio::V1_6::RadioError::NONE,
+                 ::android::hardware::radio::V1_6::RadioError::REQUEST_NOT_SUPPORTED}));
+    }
+}