diff --git a/current.txt b/current.txt
index 0c3c109..e6144dc 100644
--- a/current.txt
+++ b/current.txt
@@ -604,12 +604,11 @@
 619fc9839ec6e369cfa9b28e3e9412e6885720ff8f9b5750c1b6ffb905120391 android.hardware.wifi.supplicant@1.3::ISupplicantStaIfaceCallback
 c9273429fcf98d797d3bb07fdba6f1be95bf960f9255cde169fd1ca4db85f856 android.hardware.wifi.supplicant@1.3::ISupplicantStaNetwork
 9b0a3ab6f4f74b971ed094426d8a443e29b512ff03e1ab50c07156396cdb2483 android.hardware.wifi.supplicant@1.3::types
-274fb1254a6d1a97824ec5c880eeefc0e410dc6d3a2a4c34052201169d2b7de0 android.hardware.radio@1.5::types
-4c666aaf3944ad91c2428b8456d0db4a2f81191f8c294f046a2f539e9fc7b6fd android.hardware.radio@1.5::IRadio
+521d1fe5b9f212b7b37ab71c0d33f5d2622618837e318e99a80d882f186af6b9 android.hardware.radio@1.5::types
+3f1e2410d9bed4e7d41c6a589fe3a7943bc904b0066e40e0199a7c58427ac4e9 android.hardware.radio@1.5::IRadio
 3afac66f21a33bc9c4b80481c7d5540038348651d9a7d8af64ea13610af138da android.hardware.radio@1.5::IRadioIndication
-70e977f2ccefd2e503bedb3a66313639b53fbc7bde025538b07f41e2292b6624 android.hardware.radio@1.5::IRadioResponse
+caf00e0d942b77b17d7061b38de11e5b19e1da90d4818434cb4916ba89e30686 android.hardware.radio@1.5::IRadioResponse
 55f0a15642869ec98a55ea0a5ac049d3e1a6245ff7750deb6bcb7182057eee83 android.hardware.radio.config@1.3::types
 b27ab0cd40b0b078cdcd024bfe1061c4c4c065f3519eeb9347fa359a3268a5ae android.hardware.radio.config@1.3::IRadioConfig
 742360c775313438b0f82256eac62fb5bbc76a6ae6f388573f3aa142fb2c1eea android.hardware.radio.config@1.3::IRadioConfigIndication
 7683fed9d253956071f18b152e6be657719536f98d9b534433d5e411bcde5061 android.hardware.radio.config@1.3::IRadioConfigResponse
-
diff --git a/radio/1.5/IRadio.hal b/radio/1.5/IRadio.hal
index a3001fd..6d422be 100644
--- a/radio/1.5/IRadio.hal
+++ b/radio/1.5/IRadio.hal
@@ -18,6 +18,8 @@
 
 import @1.4::IRadio;
 import @1.5::AccessNetwork;
+import @1.5::NetworkScanRequest;
+import @1.5::RadioAccessSpecifier;
 import @1.5::SignalThresholdInfo;
 
 /**
@@ -29,7 +31,6 @@
  * setResponseFunctions must work with @1.5::IRadioResponse and @1.5::IRadioIndication.
  */
 interface IRadio extends @1.4::IRadio {
-
     /**
      * Sets the signal strength reporting criteria.
      *
@@ -96,4 +97,32 @@
      * Response callback is IRadioResponse.canToggleUiccApplicationsEnablementResponse()
      */
     oneway canToggleUiccApplicationsEnablement(int32_t serial);
+
+    /**
+     * Specify which bands modem's background scan must act on.
+     * If specifyChannels is true, it only scans bands specified in specifiers.
+     * If specifyChannels is false, it scans all bands.
+     *
+     * For example, CBRS is only on LTE band 48. By specifying this band,
+     * modem saves more power.
+     *
+     * @param serial Serial number of request.
+     * @param specifyChannels whether to scan bands defined in specifiers.
+     * @param specifiers which bands to scan. Only used if specifyChannels is true.
+     *
+     * Response callback is IRadioResponse.setSystemSelectionChannelsResponse()
+     */
+    oneway setSystemSelectionChannels_1_5(int32_t serial, bool specifyChannels,
+            vec<RadioAccessSpecifier> specifiers);
+
+    /**
+     * Starts a network scan
+     *
+     * @param serial Serial number of request.
+     * @param request Defines the radio networks/bands/channels which need to be scanned.
+     *
+     * Same API as @1.4::IRadio.startNetworkScan_1_4, except using
+     * 1.5 version of NetworkScanRequest
+     */
+    oneway startNetworkScan_1_5(int32_t serial, NetworkScanRequest request);
 };
diff --git a/radio/1.5/IRadioResponse.hal b/radio/1.5/IRadioResponse.hal
index c136ba6..e7a3852 100644
--- a/radio/1.5/IRadioResponse.hal
+++ b/radio/1.5/IRadioResponse.hal
@@ -69,4 +69,28 @@
      *   RadioError:INTERNAL_ERR
      */
     oneway canToggleUiccApplicationsEnablementResponse(RadioResponseInfo info, bool canToggle);
+
+    /**
+     * @param info Response info struct containing response type, serial no. and error
+     *
+     * Valid errors returned:
+     *   RadioError:NONE
+     *   RadioError:RADIO_NOT_AVAILABLE
+     *   RadioError:INTERNAL_ERR
+     *   RadioError:INVALID_ARGUMENTS
+     */
+    oneway setSystemSelectionChannelsResponse_1_5(RadioResponseInfo info);
+
+    /**
+     * @param info Response info struct containing response type, serial no. and error
+     *
+     * Valid errors returned:
+     *   RadioError:NONE
+     *   RadioError:RADIO_NOT_AVAILABLE
+     *   RadioError:DEVICE_IN_USE
+     *   RadioError:INTERNAL_ERR
+     *   RadioError:MODEM_ERR
+     *   RadioError:INVALID_ARGUMENTS
+     */
+    oneway startNetworkScanResponse_1_5(RadioResponseInfo info);
 };
diff --git a/radio/1.5/types.hal b/radio/1.5/types.hal
index 2441b65..068f56b 100644
--- a/radio/1.5/types.hal
+++ b/radio/1.5/types.hal
@@ -16,6 +16,13 @@
 
 package android.hardware.radio@1.5;
 
+import @1.1::EutranBands;
+import @1.1::GeranBands;
+import @1.1::RadioAccessNetworks;
+import @1.1::RadioAccessSpecifier;
+import @1.1::ScanType;
+import @1.1::UtranBands;
+import @1.2::NetworkScanRequest;
 import @1.4::AccessNetwork;
 
 /**
@@ -114,3 +121,134 @@
      */
     NGRAN = 6,
 };
+
+enum RadioAccessNetworks : @1.1::RadioAccessNetworks {
+    NGRAN = 4,
+};
+
+/**
+ * Overwritten from @1.1::RadioAccessSpecifier to add NGRAN and NgranBands
+ */
+struct RadioAccessSpecifier {
+    /**
+     * The type of network to scan.
+     */
+    RadioAccessNetworks radioAccessNetwork;
+
+    /**
+     * The frequency bands to scan.
+     * Maximum length of the vector is 8.
+     */
+    safe_union Bands {
+        /** Valid only if radioAccessNetwork = GERAN. */
+        vec<GeranBands> geranBands;
+        /** Valid only if radioAccessNetwork = UTRAN. */
+        vec<UtranBands> utranBands;
+        /** Valid only if radioAccessNetwork = EUTRAN. */
+        vec<EutranBands> eutranBands;
+        /** Valid only if radioAccessNetwork = NGRAN. */
+        vec<NgranBands> ngranBands;
+    } bands;
+
+    /**
+     * The radio channels to scan as defined in 3GPP TS 25.101 and 36.101.
+     * Maximum length of the vector is 32.
+     */
+    vec<int32_t> channels;
+};
+
+enum NgranBands : int32_t {
+    /** 3GPP TS 28.101-1, Table 5.2-1: FR1 bands */
+    BAND_1 = 1,
+    BAND_2 = 2,
+    BAND_3 = 3,
+    BAND_5 = 5,
+    BAND_7 = 7,
+    BAND_8 = 8,
+    BAND_12 = 12,
+    BAND_20 = 20,
+    BAND_25 = 25,
+    BAND_28 = 28,
+    BAND_34 = 34,
+    BAND_38 = 38,
+    BAND_39 = 39,
+    BAND_40 = 40,
+    BAND_41 = 41,
+    BAND_50 = 50,
+    BAND_51 = 51,
+    BAND_66 = 66,
+    BAND_70 = 70,
+    BAND_71 = 71,
+    BAND_74 = 74,
+    BAND_75 = 75,
+    BAND_76 = 76,
+    BAND_77 = 77,
+    BAND_78 = 78,
+    BAND_79 = 79,
+    BAND_80 = 80,
+    BAND_81 = 81,
+    BAND_82 = 82,
+    BAND_83 = 83,
+    BAND_84 = 84,
+    BAND_86 = 86,
+    /** 3GPP TS 28.101-2, Table 5.2-1: FR2 bands */
+    BAND_257 = 257,
+    BAND_258 = 258,
+    BAND_260 = 260,
+    BAND_261 = 261,
+};
+
+/**
+ * Overwritten from @1.2::NetworkScanRequest to update
+ * RadioAccessSpecifier to 1.5 version
+ */
+struct NetworkScanRequest {
+    ScanType type;
+
+    /**
+     * Time interval in seconds between the completion of one scan and the start of
+     * a subsequent scan.
+     * Implementations may ignore this field unless the 'type' is 'PERIODIC'.
+     * Range: ScanIntervalRange:MIN to ScanIntervalRange:MAX
+     */
+    int32_t interval;
+
+    /**
+     * Networks with bands/channels to scan
+     * Maximum length of the vector is RadioConst:RADIO_ACCESS_SPECIFIER_MAX_SIZE
+     */
+    vec<RadioAccessSpecifier> specifiers;
+
+    /**
+     * Maximum duration of the periodic search (in seconds).
+     * If the search lasts maxSearchTime, it must be terminated.
+     * Range: MaxSearchTimeRange:MIN to MaxSearchTimeRange:MAX
+     */
+    int32_t maxSearchTime;
+
+    /**
+     * Indicates whether the modem must report incremental results of the network scan
+     * to the client.
+     * FALSE – Incremental results must not be reported.
+     * TRUE  – Incremental must be reported.
+     */
+    bool incrementalResults;
+
+    /**
+     * Indicates the periodicity with which the modem must report incremental results to
+     * the client (in seconds).
+     * Implementations may ignore this value if the incremental results are not requested.
+     * This value must be less than or equal to maxSearchTime.
+     * Range: IncrementalResultsPeriodicityRange:MIN to IncrementalResultsPeriodicityRange:MAX
+     */
+    int32_t incrementalResultsPeriodicity;
+
+    /**
+     * Describes the List of PLMN ids (MCC-MNC)
+     * If any PLMN of this list is found, search must end at that point and results with all
+     * PLMN found until that point should be sent as response.
+     * If the list is not sent, search to be completed until end and all PLMNs found to be
+     * reported.
+     */
+    vec<string> mccMncs;
+};
diff --git a/radio/1.5/vts/functional/VtsHalRadioV1_5TargetTest.cpp b/radio/1.5/vts/functional/VtsHalRadioV1_5TargetTest.cpp
index b72febd..5f11d19 100644
--- a/radio/1.5/vts/functional/VtsHalRadioV1_5TargetTest.cpp
+++ b/radio/1.5/vts/functional/VtsHalRadioV1_5TargetTest.cpp
@@ -23,4 +23,4 @@
     int status = RUN_ALL_TESTS();
     LOG(INFO) << "Test result = " << status;
     return status;
-}
\ No newline at end of file
+}
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 72e8d5e..4df5b14 100644
--- a/radio/1.5/vts/functional/radio_hidl_hal_api.cpp
+++ b/radio/1.5/vts/functional/radio_hidl_hal_api.cpp
@@ -446,3 +446,422 @@
         EXPECT_EQ(RadioError::NONE, radioRsp_v1_5->rspInfo.error);
     }
 }
+
+/*
+ * Test IRadio.setSystemSelectionChannels_1_5() for the response returned.
+ */
+TEST_F(RadioHidlTest_v1_5, setSystemSelectionChannels_1_5) {
+    serial = GetRandomSerialNumber();
+
+    ::android::hardware::radio::V1_5::RadioAccessSpecifier::Bands rasBands;
+    rasBands.geranBands() = {GeranBands::BAND_450, GeranBands::BAND_480};
+
+    ::android::hardware::radio::V1_5::RadioAccessSpecifier specifier = {
+            .radioAccessNetwork = ::android::hardware::radio::V1_5::RadioAccessNetworks::GERAN,
+            .bands = rasBands,
+            .channels = {1, 2}};
+
+    Return<void> res = radio_v1_5->setSystemSelectionChannels_1_5(serial, true, {specifier});
+    ASSERT_OK(res);
+    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);
+    ALOGI("setSystemSelectionChannels, rspInfo.error = %s\n",
+          toString(radioRsp_v1_5->rspInfo.error).c_str());
+    ASSERT_TRUE(CheckAnyOfErrors(
+            radioRsp_v1_5->rspInfo.error,
+            {RadioError::NONE, RadioError::RADIO_NOT_AVAILABLE, RadioError::INTERNAL_ERR}));
+
+    if (radioRsp_v1_5->rspInfo.error == RadioError::NONE) {
+        serial = GetRandomSerialNumber();
+        Return<void> res = radio_v1_5->setSystemSelectionChannels_1_5(serial, false, {specifier});
+        ASSERT_OK(res);
+        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);
+        ALOGI("setSystemSelectionChannels, rspInfo.error = %s\n",
+              toString(radioRsp_v1_5->rspInfo.error).c_str());
+        EXPECT_EQ(RadioError::NONE, radioRsp_v1_5->rspInfo.error);
+    }
+}
+
+/*
+ * Test IRadio.startNetworkScan_1_5() for the response returned.
+ */
+TEST_F(RadioHidlTest_v1_5, startNetworkScan) {
+    serial = GetRandomSerialNumber();
+
+    ::android::hardware::radio::V1_5::RadioAccessSpecifier::Bands rasBands;
+    rasBands.geranBands() = {GeranBands::BAND_450, GeranBands::BAND_480};
+
+    ::android::hardware::radio::V1_5::RadioAccessSpecifier specifier = {
+            .radioAccessNetwork = ::android::hardware::radio::V1_5::RadioAccessNetworks::GERAN,
+            .bands = rasBands,
+            .channels = {1, 2}};
+
+    ::android::hardware::radio::V1_5::NetworkScanRequest request = {
+            .type = ScanType::ONE_SHOT,
+            .interval = 60,
+            .specifiers = {specifier},
+            .maxSearchTime = 60,
+            .incrementalResults = false,
+            .incrementalResultsPeriodicity = 1};
+
+    Return<void> res = radio_v1_5->startNetworkScan_1_5(serial, request);
+    ASSERT_OK(res);
+    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);
+    ALOGI("startNetworkScan, rspInfo.error = %s\n", toString(radioRsp_v1_5->rspInfo.error).c_str());
+
+    if (cardStatus.base.base.cardState == CardState::ABSENT) {
+        ASSERT_TRUE(CheckAnyOfErrors(radioRsp_v1_5->rspInfo.error, {RadioError::SIM_ABSENT}));
+    } else if (cardStatus.base.base.cardState == CardState::PRESENT) {
+        // OPERATION_NOT_ALLOWED should not be allowed; however, some vendors do
+        // not support the required manual GSM search functionality. This is
+        // tracked in b/112206766. Modems have "GSM" rat scan need to
+        // support scanning requests combined with some parameters.
+        ASSERT_TRUE(CheckAnyOfErrors(radioRsp_v1_5->rspInfo.error,
+                                     {RadioError::NONE, RadioError::OPERATION_NOT_ALLOWED}));
+    }
+}
+
+/*
+ * Test IRadio.startNetworkScan_1_5() with invalid specifier.
+ */
+TEST_F(RadioHidlTest_v1_5, startNetworkScan_InvalidArgument) {
+    serial = GetRandomSerialNumber();
+
+    ::android::hardware::radio::V1_5::NetworkScanRequest request = {.type = ScanType::ONE_SHOT,
+                                                                    .interval = 60};
+
+    Return<void> res = radio_v1_5->startNetworkScan_1_5(serial, request);
+    ASSERT_OK(res);
+    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);
+    ALOGI("startNetworkScan_InvalidArgument, rspInfo.error = %s\n",
+          toString(radioRsp_v1_5->rspInfo.error).c_str());
+
+    if (cardStatus.base.base.cardState == CardState::ABSENT) {
+        ASSERT_TRUE(CheckAnyOfErrors(radioRsp_v1_5->rspInfo.error,
+                                     {RadioError::SIM_ABSENT, RadioError::INVALID_ARGUMENTS}));
+    } else if (cardStatus.base.base.cardState == CardState::PRESENT) {
+        ASSERT_TRUE(CheckAnyOfErrors(
+                radioRsp_v1_5->rspInfo.error,
+                {RadioError::INVALID_ARGUMENTS, RadioError::REQUEST_NOT_SUPPORTED}));
+    }
+}
+
+/*
+ * Test IRadio.startNetworkScan_1_5() with invalid interval (lower boundary).
+ */
+TEST_F(RadioHidlTest_v1_5, startNetworkScan_InvalidInterval1) {
+    serial = GetRandomSerialNumber();
+
+    ::android::hardware::radio::V1_5::RadioAccessSpecifier::Bands rasBands;
+    rasBands.geranBands() = {GeranBands::BAND_450, GeranBands::BAND_480};
+
+    ::android::hardware::radio::V1_5::RadioAccessSpecifier specifier = {
+            .radioAccessNetwork = ::android::hardware::radio::V1_5::RadioAccessNetworks::GERAN,
+            .bands = rasBands,
+            .channels = {1, 2}};
+
+    ::android::hardware::radio::V1_5::NetworkScanRequest request = {
+            .type = ScanType::ONE_SHOT,
+            .interval = 4,
+            .specifiers = {specifier},
+            .maxSearchTime = 60,
+            .incrementalResults = false,
+            .incrementalResultsPeriodicity = 1};
+
+    Return<void> res = radio_v1_5->startNetworkScan_1_5(serial, request);
+    ASSERT_OK(res);
+    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);
+    ALOGI("startNetworkScan_InvalidInterval1, rspInfo.error = %s\n",
+          toString(radioRsp_v1_5->rspInfo.error).c_str());
+    if (cardStatus.base.base.cardState == CardState::ABSENT) {
+        ASSERT_TRUE(CheckAnyOfErrors(radioRsp_v1_5->rspInfo.error,
+                                     {RadioError::SIM_ABSENT, RadioError::INVALID_ARGUMENTS}));
+    } else if (cardStatus.base.base.cardState == CardState::PRESENT) {
+        ASSERT_TRUE(CheckAnyOfErrors(
+                radioRsp_v1_5->rspInfo.error,
+                {RadioError::INVALID_ARGUMENTS, RadioError::REQUEST_NOT_SUPPORTED}));
+    }
+}
+
+/*
+ * Test IRadio.startNetworkScan_1_5() with invalid interval (upper boundary).
+ */
+TEST_F(RadioHidlTest_v1_5, startNetworkScan_InvalidInterval2) {
+    serial = GetRandomSerialNumber();
+
+    ::android::hardware::radio::V1_5::RadioAccessSpecifier::Bands rasBands;
+    rasBands.geranBands() = {GeranBands::BAND_450, GeranBands::BAND_480};
+
+    ::android::hardware::radio::V1_5::RadioAccessSpecifier specifier = {
+            .radioAccessNetwork = ::android::hardware::radio::V1_5::RadioAccessNetworks::GERAN,
+            .bands = rasBands,
+            .channels = {1, 2}};
+
+    ::android::hardware::radio::V1_5::NetworkScanRequest request = {
+            .type = ScanType::ONE_SHOT,
+            .interval = 301,
+            .specifiers = {specifier},
+            .maxSearchTime = 60,
+            .incrementalResults = false,
+            .incrementalResultsPeriodicity = 1};
+
+    Return<void> res = radio_v1_5->startNetworkScan_1_5(serial, request);
+    ASSERT_OK(res);
+    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);
+    ALOGI("startNetworkScan_InvalidInterval2, rspInfo.error = %s\n",
+          toString(radioRsp_v1_5->rspInfo.error).c_str());
+    if (cardStatus.base.base.cardState == CardState::ABSENT) {
+        ASSERT_TRUE(CheckAnyOfErrors(radioRsp_v1_5->rspInfo.error,
+                                     {RadioError::SIM_ABSENT, RadioError::INVALID_ARGUMENTS}));
+    } else if (cardStatus.base.base.cardState == CardState::PRESENT) {
+        ASSERT_TRUE(CheckAnyOfErrors(
+                radioRsp_v1_5->rspInfo.error,
+                {RadioError::INVALID_ARGUMENTS, RadioError::REQUEST_NOT_SUPPORTED}));
+    }
+}
+
+/*
+ * Test IRadio.startNetworkScan_1_5() with invalid max search time (lower boundary).
+ */
+TEST_F(RadioHidlTest_v1_5, startNetworkScan_InvalidMaxSearchTime1) {
+    serial = GetRandomSerialNumber();
+
+    ::android::hardware::radio::V1_5::RadioAccessSpecifier::Bands rasBands;
+    rasBands.geranBands() = {GeranBands::BAND_450, GeranBands::BAND_480};
+
+    ::android::hardware::radio::V1_5::RadioAccessSpecifier specifier = {
+            .radioAccessNetwork = ::android::hardware::radio::V1_5::RadioAccessNetworks::GERAN,
+            .bands = rasBands,
+            .channels = {1, 2}};
+
+    ::android::hardware::radio::V1_5::NetworkScanRequest request = {
+            .type = ScanType::ONE_SHOT,
+            .interval = 60,
+            .specifiers = {specifier},
+            .maxSearchTime = 59,
+            .incrementalResults = false,
+            .incrementalResultsPeriodicity = 1};
+
+    Return<void> res = radio_v1_5->startNetworkScan_1_5(serial, request);
+    ASSERT_OK(res);
+    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);
+    ALOGI("startNetworkScan_InvalidMaxSearchTime1, rspInfo.error = %s\n",
+          toString(radioRsp_v1_5->rspInfo.error).c_str());
+    if (cardStatus.base.base.cardState == CardState::ABSENT) {
+        ASSERT_TRUE(CheckAnyOfErrors(radioRsp_v1_5->rspInfo.error,
+                                     {RadioError::SIM_ABSENT, RadioError::INVALID_ARGUMENTS}));
+    } else if (cardStatus.base.base.cardState == CardState::PRESENT) {
+        ASSERT_TRUE(CheckAnyOfErrors(
+                radioRsp_v1_5->rspInfo.error,
+                {RadioError::INVALID_ARGUMENTS, RadioError::REQUEST_NOT_SUPPORTED}));
+    }
+}
+
+/*
+ * Test IRadio.startNetworkScan_1_5() with invalid max search time (upper boundary).
+ */
+TEST_F(RadioHidlTest_v1_5, startNetworkScan_InvalidMaxSearchTime2) {
+    serial = GetRandomSerialNumber();
+
+    ::android::hardware::radio::V1_5::RadioAccessSpecifier::Bands rasBands;
+    rasBands.geranBands() = {GeranBands::BAND_450, GeranBands::BAND_480};
+
+    ::android::hardware::radio::V1_5::RadioAccessSpecifier specifier = {
+            .radioAccessNetwork = ::android::hardware::radio::V1_5::RadioAccessNetworks::GERAN,
+            .bands = rasBands,
+            .channels = {1, 2}};
+
+    ::android::hardware::radio::V1_5::NetworkScanRequest request = {
+            .type = ScanType::ONE_SHOT,
+            .interval = 60,
+            .specifiers = {specifier},
+            .maxSearchTime = 3601,
+            .incrementalResults = false,
+            .incrementalResultsPeriodicity = 1};
+
+    Return<void> res = radio_v1_5->startNetworkScan_1_5(serial, request);
+    ASSERT_OK(res);
+    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);
+    ALOGI("startNetworkScan_InvalidMaxSearchTime2, rspInfo.error = %s\n",
+          toString(radioRsp_v1_5->rspInfo.error).c_str());
+    if (cardStatus.base.base.cardState == CardState::ABSENT) {
+        ASSERT_TRUE(CheckAnyOfErrors(radioRsp_v1_5->rspInfo.error,
+                                     {RadioError::SIM_ABSENT, RadioError::INVALID_ARGUMENTS}));
+    } else if (cardStatus.base.base.cardState == CardState::PRESENT) {
+        ASSERT_TRUE(CheckAnyOfErrors(
+                radioRsp_v1_5->rspInfo.error,
+                {RadioError::INVALID_ARGUMENTS, RadioError::REQUEST_NOT_SUPPORTED}));
+    }
+}
+
+/*
+ * Test IRadio.startNetworkScan_1_5() with invalid periodicity (lower boundary).
+ */
+TEST_F(RadioHidlTest_v1_5, startNetworkScan_InvalidPeriodicity1) {
+    serial = GetRandomSerialNumber();
+
+    ::android::hardware::radio::V1_5::RadioAccessSpecifier::Bands rasBands;
+    rasBands.geranBands() = {GeranBands::BAND_450, GeranBands::BAND_480};
+
+    ::android::hardware::radio::V1_5::RadioAccessSpecifier specifier = {
+            .radioAccessNetwork = ::android::hardware::radio::V1_5::RadioAccessNetworks::GERAN,
+            .bands = rasBands,
+            .channels = {1, 2}};
+
+    ::android::hardware::radio::V1_5::NetworkScanRequest request = {
+            .type = ScanType::ONE_SHOT,
+            .interval = 60,
+            .specifiers = {specifier},
+            .maxSearchTime = 600,
+            .incrementalResults = true,
+            .incrementalResultsPeriodicity = 0};
+
+    Return<void> res = radio_v1_5->startNetworkScan_1_5(serial, request);
+    ASSERT_OK(res);
+    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);
+    ALOGI("startNetworkScan_InvalidPeriodicity1, rspInfo.error = %s\n",
+          toString(radioRsp_v1_5->rspInfo.error).c_str());
+    if (cardStatus.base.base.cardState == CardState::ABSENT) {
+        ASSERT_TRUE(CheckAnyOfErrors(radioRsp_v1_5->rspInfo.error,
+                                     {RadioError::SIM_ABSENT, RadioError::INVALID_ARGUMENTS}));
+    } else if (cardStatus.base.base.cardState == CardState::PRESENT) {
+        ASSERT_TRUE(CheckAnyOfErrors(
+                radioRsp_v1_5->rspInfo.error,
+                {RadioError::INVALID_ARGUMENTS, RadioError::REQUEST_NOT_SUPPORTED}));
+    }
+}
+
+/*
+ * Test IRadio.startNetworkScan_1_5() with invalid periodicity (upper boundary).
+ */
+TEST_F(RadioHidlTest_v1_5, startNetworkScan_InvalidPeriodicity2) {
+    serial = GetRandomSerialNumber();
+
+    ::android::hardware::radio::V1_5::RadioAccessSpecifier::Bands rasBands;
+    rasBands.geranBands() = {GeranBands::BAND_450, GeranBands::BAND_480};
+
+    ::android::hardware::radio::V1_5::RadioAccessSpecifier specifier = {
+            .radioAccessNetwork = ::android::hardware::radio::V1_5::RadioAccessNetworks::GERAN,
+            .bands = rasBands,
+            .channels = {1, 2}};
+
+    ::android::hardware::radio::V1_5::NetworkScanRequest request = {
+            .type = ScanType::ONE_SHOT,
+            .interval = 60,
+            .specifiers = {specifier},
+            .maxSearchTime = 600,
+            .incrementalResults = true,
+            .incrementalResultsPeriodicity = 11};
+
+    Return<void> res = radio_v1_5->startNetworkScan_1_5(serial, request);
+    ASSERT_OK(res);
+    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);
+    ALOGI("startNetworkScan_InvalidPeriodicity2, rspInfo.error = %s\n",
+          toString(radioRsp_v1_5->rspInfo.error).c_str());
+    if (cardStatus.base.base.cardState == CardState::ABSENT) {
+        ASSERT_TRUE(CheckAnyOfErrors(radioRsp_v1_5->rspInfo.error,
+                                     {RadioError::SIM_ABSENT, RadioError::INVALID_ARGUMENTS}));
+    } else if (cardStatus.base.base.cardState == CardState::PRESENT) {
+        ASSERT_TRUE(CheckAnyOfErrors(
+                radioRsp_v1_5->rspInfo.error,
+                {RadioError::INVALID_ARGUMENTS, RadioError::REQUEST_NOT_SUPPORTED}));
+    }
+}
+
+/*
+ * Test IRadio.startNetworkScan_1_5() with valid periodicity
+ */
+TEST_F(RadioHidlTest_v1_5, startNetworkScan_GoodRequest1) {
+    serial = GetRandomSerialNumber();
+
+    ::android::hardware::radio::V1_5::RadioAccessSpecifier::Bands rasBands;
+    rasBands.geranBands() = {GeranBands::BAND_450, GeranBands::BAND_480};
+
+    ::android::hardware::radio::V1_5::RadioAccessSpecifier specifier = {
+            .radioAccessNetwork = ::android::hardware::radio::V1_5::RadioAccessNetworks::GERAN,
+            .bands = rasBands,
+            .channels = {1, 2}};
+
+    ::android::hardware::radio::V1_5::NetworkScanRequest request = {
+            .type = ScanType::ONE_SHOT,
+            .interval = 60,
+            .specifiers = {specifier},
+            .maxSearchTime = 360,
+            .incrementalResults = false,
+            .incrementalResultsPeriodicity = 10};
+
+    Return<void> res = radio_v1_5->startNetworkScan_1_5(serial, request);
+    ASSERT_OK(res);
+    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);
+    ALOGI("startNetworkScan_GoodRequest1, rspInfo.error = %s\n",
+          toString(radioRsp_v1_5->rspInfo.error).c_str());
+    if (cardStatus.base.base.cardState == CardState::ABSENT) {
+        ASSERT_TRUE(CheckAnyOfErrors(radioRsp_v1_5->rspInfo.error,
+                                     {RadioError::NONE, RadioError::SIM_ABSENT}));
+    } else if (cardStatus.base.base.cardState == CardState::PRESENT) {
+        ASSERT_TRUE(CheckAnyOfErrors(radioRsp_v1_5->rspInfo.error,
+                                     {RadioError::NONE, RadioError::INVALID_ARGUMENTS,
+                                      RadioError::REQUEST_NOT_SUPPORTED}));
+    }
+}
+
+/*
+ * Test IRadio.startNetworkScan_1_5() with valid periodicity and plmns
+ */
+TEST_F(RadioHidlTest_v1_5, startNetworkScan_GoodRequest2) {
+    serial = GetRandomSerialNumber();
+
+    ::android::hardware::radio::V1_5::RadioAccessSpecifier::Bands rasBands;
+    rasBands.geranBands() = {GeranBands::BAND_450, GeranBands::BAND_480};
+
+    ::android::hardware::radio::V1_5::RadioAccessSpecifier specifier = {
+            .radioAccessNetwork = ::android::hardware::radio::V1_5::RadioAccessNetworks::GERAN,
+            .bands = rasBands,
+            .channels = {1, 2}};
+
+    ::android::hardware::radio::V1_5::NetworkScanRequest request = {
+            .type = ScanType::ONE_SHOT,
+            .interval = 60,
+            .specifiers = {specifier},
+            .maxSearchTime = 360,
+            .incrementalResults = false,
+            .incrementalResultsPeriodicity = 10,
+            .mccMncs = {"310410"}};
+
+    Return<void> res = radio_v1_5->startNetworkScan_1_5(serial, request);
+    ASSERT_OK(res);
+    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);
+    ALOGI("startNetworkScan_GoodRequest2, rspInfo.error = %s\n",
+          toString(radioRsp_v1_5->rspInfo.error).c_str());
+    if (cardStatus.base.base.cardState == CardState::ABSENT) {
+        ASSERT_TRUE(CheckAnyOfErrors(radioRsp_v1_5->rspInfo.error,
+                                     {RadioError::NONE, RadioError::SIM_ABSENT}));
+    } else if (cardStatus.base.base.cardState == CardState::PRESENT) {
+        ASSERT_TRUE(CheckAnyOfErrors(radioRsp_v1_5->rspInfo.error,
+                                     {RadioError::NONE, RadioError::INVALID_ARGUMENTS,
+                                      RadioError::REQUEST_NOT_SUPPORTED}));
+    }
+}
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 c05359d..01bda69 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
@@ -53,7 +53,7 @@
 class RadioHidlTest_v1_5;
 extern ::android::hardware::radio::V1_4::CardStatus cardStatus;
 
-/* Callback class for radio respons v1_5 */
+/* Callback class for radio response v1_5 */
 class RadioResponse_v1_5 : public ::android::hardware::radio::V1_5::IRadioResponse {
   protected:
     RadioHidlTest_v1_5& parent_v1_5;
@@ -530,10 +530,17 @@
 
     /* 1.5 Api */
     Return<void> setSignalStrengthReportingCriteriaResponse_1_5(const RadioResponseInfo& info);
+
     Return<void> enableUiccApplicationsResponse(const RadioResponseInfo& info);
+
     Return<void> areUiccApplicationsEnabledResponse(const RadioResponseInfo& info, bool enabled);
+
     Return<void> canToggleUiccApplicationsEnablementResponse(const RadioResponseInfo& info,
                                                              bool canToggle);
+
+    Return<void> setSystemSelectionChannelsResponse_1_5(const RadioResponseInfo& info);
+
+    Return<void> startNetworkScanResponse_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 78c03a9..5964c96 100644
--- a/radio/1.5/vts/functional/radio_response.cpp
+++ b/radio/1.5/vts/functional/radio_response.cpp
@@ -915,3 +915,16 @@
     parent_v1_5.notify(info.serial);
     return Void();
 }
+
+Return<void> RadioResponse_v1_5::setSystemSelectionChannelsResponse_1_5(
+        const RadioResponseInfo& info) {
+    rspInfo = info;
+    parent_v1_5.notify(info.serial);
+    return Void();
+}
+
+Return<void> RadioResponse_v1_5::startNetworkScanResponse_1_5(const RadioResponseInfo& info) {
+    rspInfo = info;
+    parent_v1_5.notify(info.serial);
+    return Void();
+}