diff --git a/radio/1.0/vts/functional/radio_hidl_hal_data.cpp b/radio/1.0/vts/functional/radio_hidl_hal_data.cpp
index 655b869..38cb33b 100644
--- a/radio/1.0/vts/functional/radio_hidl_hal_data.cpp
+++ b/radio/1.0/vts/functional/radio_hidl_hal_data.cpp
@@ -87,12 +87,19 @@
                                                  cellIdentities.cellIdentityTdscdma.size());
 
         if (checkMccMnc) {
-            // 32 bit system gets result: "\xff\xff\xff..." from RIL, which is not testable. Only
-            // test for 64 bit here. TODO: remove this limit after b/113181277 being fixed.
-            if (hidl_mcc.size() < 4 && hidl_mnc.size() < 4) {
+            // 32 bit system gets result: "\xff\xff\xff..." from RIL, which is not testable.
+            // Only test for 64 bit here. TODO: remove this limit after b/113181277 being fixed.
+            int mccSize = hidl_mcc.size();
+            EXPECT_TRUE(mccSize == 0 || mccSize == 3);
+            if (mccSize > 0) {
                 int mcc = stoi(hidl_mcc);
-                int mnc = stoi(hidl_mnc);
                 EXPECT_TRUE(mcc >= 0 && mcc <= 999);
+            }
+
+            int mncSize = hidl_mnc.size();
+            EXPECT_TRUE(mncSize == 0 || mncSize == 2 || mncSize == 3);
+            if (mncSize > 0) {
+                int mnc = stoi(hidl_mnc);
                 EXPECT_TRUE(mnc >= 0 && mnc <= 999);
             }
         }
diff --git a/radio/1.2/vts/functional/radio_hidl_hal_api.cpp b/radio/1.2/vts/functional/radio_hidl_hal_api.cpp
index 2400bde..2bce2f9 100644
--- a/radio/1.2/vts/functional/radio_hidl_hal_api.cpp
+++ b/radio/1.2/vts/functional/radio_hidl_hal_api.cpp
@@ -120,7 +120,7 @@
     serial = GetRandomSerialNumber();
 
     ::android::hardware::radio::V1_2::NetworkScanRequest request = {
-            .type = ScanType::ONE_SHOT,
+            .type = ScanType::PERIODIC,
             .interval = 4,
             .specifiers = {::GERAN_SPECIFIER_P900, ::GERAN_SPECIFIER_850},
             .maxSearchTime = 60,
@@ -155,7 +155,7 @@
     serial = GetRandomSerialNumber();
 
     ::android::hardware::radio::V1_2::NetworkScanRequest request = {
-            .type = ScanType::ONE_SHOT,
+            .type = ScanType::PERIODIC,
             .interval = 301,
             .specifiers = {::GERAN_SPECIFIER_P900, ::GERAN_SPECIFIER_850},
             .maxSearchTime = 60,
@@ -821,11 +821,20 @@
                   cellIdentities.cellIdentityTdscdma.size());
 
     // 32 bit system might return invalid mcc and mnc hidl string "\xff\xff..."
-    if (checkMccMnc && hidl_mcc.size() < 4 && hidl_mnc.size() < 4) {
-        int mcc = stoi(hidl_mcc);
-        int mnc = stoi(hidl_mnc);
-        EXPECT_TRUE(mcc >= 0 && mcc <= 999);
-        EXPECT_TRUE(mnc >= 0 && mnc <= 999);
+    if (checkMccMnc) {
+        int mccSize = hidl_mcc.size();
+        EXPECT_TRUE(mccSize == 0 || mccSize == 3);
+        if (mccSize > 0) {
+            int mcc = stoi(hidl_mcc);
+            EXPECT_TRUE(mcc >= 0 && mcc <= 999);
+        }
+
+        int mncSize = hidl_mnc.size();
+        EXPECT_TRUE(mncSize == 0 || mncSize == 2 || mncSize == 3);
+        if (mncSize > 0) {
+            int mnc = stoi(hidl_mnc);
+            EXPECT_TRUE(mnc >= 0 && mnc <= 999);
+        }
     }
 }
 
diff --git a/radio/1.4/vts/functional/radio_hidl_hal_api.cpp b/radio/1.4/vts/functional/radio_hidl_hal_api.cpp
index 8f357a0..744af75 100644
--- a/radio/1.4/vts/functional/radio_hidl_hal_api.cpp
+++ b/radio/1.4/vts/functional/radio_hidl_hal_api.cpp
@@ -335,7 +335,7 @@
     serial = GetRandomSerialNumber();
 
     ::android::hardware::radio::V1_2::NetworkScanRequest request = {
-            .type = ScanType::ONE_SHOT,
+            .type = ScanType::PERIODIC,
             .interval = 4,
             .specifiers = {::GERAN_SPECIFIER_P900, ::GERAN_SPECIFIER_850},
             .maxSearchTime = 60,
@@ -368,7 +368,7 @@
     serial = GetRandomSerialNumber();
 
     ::android::hardware::radio::V1_2::NetworkScanRequest request = {
-            .type = ScanType::ONE_SHOT,
+            .type = ScanType::PERIODIC,
             .interval = 301,
             .specifiers = {::GERAN_SPECIFIER_P900, ::GERAN_SPECIFIER_850},
             .maxSearchTime = 60,
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 316c308..fd44e93 100644
--- a/radio/1.5/vts/functional/radio_hidl_hal_api.cpp
+++ b/radio/1.5/vts/functional/radio_hidl_hal_api.cpp
@@ -661,7 +661,7 @@
             .channels = {128, 129}};
 
     ::android::hardware::radio::V1_5::NetworkScanRequest request = {
-            .type = ScanType::ONE_SHOT,
+            .type = ScanType::PERIODIC,
             .interval = 4,
             .specifiers = {specifierP900, specifier850},
             .maxSearchTime = 60,
@@ -705,7 +705,7 @@
             .channels = {128, 129}};
 
     ::android::hardware::radio::V1_5::NetworkScanRequest request = {
-            .type = ScanType::ONE_SHOT,
+            .type = ScanType::PERIODIC,
             .interval = 301,
             .specifiers = {specifierP900, specifier850},
             .maxSearchTime = 60,
diff --git a/radio/aidl/vts/radio_network_test.cpp b/radio/aidl/vts/radio_network_test.cpp
index 0b7c16e..0344dd6 100644
--- a/radio/aidl/vts/radio_network_test.cpp
+++ b/radio/aidl/vts/radio_network_test.cpp
@@ -1524,11 +1524,20 @@
     }
 
     // 32 bit system might return invalid mcc and mnc string "\xff\xff..."
-    if (checkMccMnc && mcc.size() == 3 && (mnc.size() == 2 || mnc.size() == 3)) {
-        int mcc_int = stoi(mcc);
-        int mnc_int = stoi(mnc);
-        EXPECT_TRUE(mcc_int >= 0 && mcc_int <= 999);
-        EXPECT_TRUE(mnc_int >= 0 && mnc_int <= 999);
+    if (checkMccMnc) {
+        int mccSize = mcc.size();
+        EXPECT_TRUE(mccSize == 0 || mccSize == 3);
+        if (mccSize > 0) {
+            int mcc_int = stoi(mcc);
+            EXPECT_TRUE(mcc_int >= 0 && mcc_int <= 999);
+        }
+
+        int mncSize = mnc.size();
+        EXPECT_TRUE(mncSize == 0 || mncSize == 2 || mncSize == 3);
+        if (mncSize > 0) {
+            int mnc_int = stoi(mnc);
+            EXPECT_TRUE(mnc_int >= 0 && mnc_int <= 999);
+        }
     }
 
     // Check for access technology specific info