diff --git a/radio/1.5/vts/functional/radio_hidl_hal_api.cpp b/radio/1.5/vts/functional/radio_hidl_hal_api.cpp
index 01258cf..a4095b7 100644
--- a/radio/1.5/vts/functional/radio_hidl_hal_api.cpp
+++ b/radio/1.5/vts/functional/radio_hidl_hal_api.cpp
@@ -879,6 +879,9 @@
     }
 }
 
+/*
+ * Test IRadio.setInitialAttachApn_1_5() for the response returned.
+ */
 TEST_F(RadioHidlTest_v1_5, setInitialAttachApn_1_5) {
     serial = GetRandomSerialNumber();
 
@@ -919,6 +922,9 @@
     }
 }
 
+/*
+ * Test IRadio.setDataProfile_1_5() for the response returned.
+ */
 TEST_F(RadioHidlTest_v1_5, setDataProfile_1_5) {
     serial = GetRandomSerialNumber();
 
@@ -989,4 +995,30 @@
     EXPECT_EQ(RadioResponseType::SOLICITED, radioRsp_v1_5->rspInfo.type);
     EXPECT_EQ(serial, radioRsp_v1_5->rspInfo.serial);
     EXPECT_EQ(RadioError::NONE, radioRsp_v1_5->rspInfo.error);
-}
\ No newline at end of file
+}
+
+/*
+ * Test IRadio.setNetworkSelectionModeManual_1_5() for the response returned.
+ */
+TEST_F(RadioHidlTest_v1_5, setNetworkSelectionModeManual_1_5) {
+    serial = GetRandomSerialNumber();
+
+    // can't camp on nonexistent MCCMNC, so we expect this to fail.
+    Return<void> res = radio_v1_5->setNetworkSelectionModeManual_1_5(
+            serial, "123456", android::hardware::radio::V1_5::RadioAccessNetworks::GERAN);
+    EXPECT_EQ(std::cv_status::no_timeout, wait());
+    EXPECT_EQ(RadioResponseType::SOLICITED, radioRsp_v1_5->rspInfo.type);
+    EXPECT_EQ(serial, radioRsp_v1_5->rspInfo.serial);
+
+    if (cardStatus.base.base.cardState == CardState::ABSENT) {
+        ASSERT_TRUE(CheckAnyOfErrors(radioRsp_v1_5->rspInfo.error,
+                                     {RadioError::NONE, RadioError::ILLEGAL_SIM_OR_ME,
+                                      RadioError::INVALID_ARGUMENTS, RadioError::INVALID_STATE},
+                                     CHECK_GENERAL_ERROR));
+    } else if (cardStatus.base.base.cardState == CardState::PRESENT) {
+        ASSERT_TRUE(CheckAnyOfErrors(radioRsp_v1_5->rspInfo.error,
+                                     {RadioError::NONE, RadioError::RADIO_NOT_AVAILABLE,
+                                      RadioError::INVALID_ARGUMENTS, RadioError::INVALID_STATE},
+                                     CHECK_GENERAL_ERROR));
+    }
+}
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 1e806fa..abab452 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
@@ -571,6 +571,8 @@
             const RadioResponseInfo& info,
             const ::android::hardware::hidl_vec<::android::hardware::radio::V1_5::CellInfo>&
                     cellInfo);
+
+    Return<void> setNetworkSelectionModeManualResponse_1_5(const RadioResponseInfo& info);
 };
 
 /* Callback class for radio indication */
diff --git a/radio/1.5/vts/functional/radio_response.cpp b/radio/1.5/vts/functional/radio_response.cpp
index 01556f5..d7197d5 100644
--- a/radio/1.5/vts/functional/radio_response.cpp
+++ b/radio/1.5/vts/functional/radio_response.cpp
@@ -992,3 +992,10 @@
                 ::android::hardware::radio::V1_5::CellInfo>& /*cellInfo*/) {
     return Void();
 }
+
+Return<void> RadioResponse_v1_5::setNetworkSelectionModeManualResponse_1_5(
+        const RadioResponseInfo& info) {
+    rspInfo = info;
+    parent_v1_5.notify(info.serial);
+    return Void();
+}