diff --git a/application/src/main/java/org/thingsboard/server/service/sync/ie/importing/csv/AbstractBulkImportService.java b/application/src/main/java/org/thingsboard/server/service/sync/ie/importing/csv/AbstractBulkImportService.java
index b34ba3ef66..45805c5939 100644
--- a/application/src/main/java/org/thingsboard/server/service/sync/ie/importing/csv/AbstractBulkImportService.java
+++ b/application/src/main/java/org/thingsboard/server/service/sync/ie/importing/csv/AbstractBulkImportService.java
@@ -113,8 +113,9 @@ public abstract class AbstractBulkImportService<E extends HasId<? extends Entity
                     ImportedEntityInfo<E> importedEntityInfo = saveEntity(entityData.getFields(), user);
                     E entity = importedEntityInfo.getEntity();
 
-                    saveKvs(user, entity, entityData.getKvs());
-
+                    if (request.getMapping().getUpdate() || !importedEntityInfo.isUpdated()) {
+                        saveKvs(user, entity, entityData.getKvs());
+                    }
                     return importedEntityInfo;
                 },
                 importedEntityInfo -> {
diff --git a/application/src/test/java/org/thingsboard/server/controller/BaseDeviceControllerTest.java b/application/src/test/java/org/thingsboard/server/controller/BaseDeviceControllerTest.java
index 9b05b38a22..6ffc216dd3 100644
--- a/application/src/test/java/org/thingsboard/server/controller/BaseDeviceControllerTest.java
+++ b/application/src/test/java/org/thingsboard/server/controller/BaseDeviceControllerTest.java
@@ -17,6 +17,7 @@ package org.thingsboard.server.controller;
 
 import com.datastax.oss.driver.api.core.uuid.Uuids;
 import com.fasterxml.jackson.core.type.TypeReference;
+import com.fasterxml.jackson.databind.JsonNode;
 import com.google.common.util.concurrent.Futures;
 import com.google.common.util.concurrent.ListenableFuture;
 import com.google.common.util.concurrent.ListeningExecutorService;
@@ -33,11 +34,13 @@ import org.springframework.boot.test.mock.mockito.SpyBean;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Primary;
 import org.springframework.test.context.ContextConfiguration;
+import org.thingsboard.common.util.JacksonUtil;
 import org.thingsboard.common.util.ThingsBoardExecutors;
 import org.thingsboard.server.common.data.Customer;
 import org.thingsboard.server.common.data.Device;
 import org.thingsboard.server.common.data.DeviceProfile;
 import org.thingsboard.server.common.data.EntitySubtype;
+import org.thingsboard.server.common.data.EntityType;
 import org.thingsboard.server.common.data.OtaPackageInfo;
 import org.thingsboard.server.common.data.SaveDeviceWithCredentialsRequest;
 import org.thingsboard.server.common.data.SaveOtaPackageInfoRequest;
@@ -68,6 +71,8 @@ import org.thingsboard.server.service.gateway_device.GatewayNotificationsService
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Map;
+import java.util.Optional;
 import java.util.concurrent.TimeUnit;
 
 import static org.assertj.core.api.Assertions.assertThat;
@@ -1392,6 +1397,73 @@ public abstract class BaseDeviceControllerTest extends AbstractControllerTest {
         Assert.assertEquals(savedCredentials, updatedCredentials);
     }
 
+    @Test
+    public void testBulkImportDeviceWithUpdateFalse() throws Exception {
+        String deviceName = "firstDevice";
+        String attributeValue = "testValue";
+        BulkImportRequest request = new BulkImportRequest();
+        request.setFile(String.format("NAME,TYPE,DATA\n%s,%s,%s", deviceName, "thermostat", attributeValue));
+        BulkImportRequest.Mapping mapping = new BulkImportRequest.Mapping();
+        BulkImportRequest.ColumnMapping name = new BulkImportRequest.ColumnMapping();
+        name.setType(BulkImportColumnType.NAME);
+        BulkImportRequest.ColumnMapping type = new BulkImportRequest.ColumnMapping();
+        type.setType(BulkImportColumnType.TYPE);
+        BulkImportRequest.ColumnMapping attribute = new BulkImportRequest.ColumnMapping();
+        attribute.setType(BulkImportColumnType.SERVER_ATTRIBUTE);
+        attribute.setKey("DATA");
+        List<BulkImportRequest.ColumnMapping> columns = new ArrayList<>();
+        columns.add(name);
+        columns.add(type);
+        columns.add(attribute);
+
+        mapping.setColumns(columns);
+        mapping.setDelimiter(',');
+        mapping.setUpdate(true);
+        mapping.setHeader(true);
+        request.setMapping(mapping);
+
+        //import device
+        doPostWithTypedResponse("/api/device/bulk_import", request, new TypeReference<>() {});
+        Device savedDevice = doGet("/api/tenant/devices?deviceName=" + deviceName, Device.class);
+
+        //check server attribute value
+        List<Map<String, Object>> values = doGetAsyncTyped("/api/plugins/telemetry/DEVICE/" + savedDevice.getId() +
+                "/values/attributes/SERVER_SCOPE", new TypeReference<>() {
+        });
+        Map<String, Object> serverAttribute = values.stream().filter(att -> att.get("key").equals("DATA")).findFirst().get();
+        Assert.assertEquals(attributeValue, serverAttribute.get("value"));
+
+        //update server attribute value
+        String newAttributeValue = "testValue2";
+        JsonNode content = JacksonUtil.toJsonNode("{\"DATA\": \"" + newAttributeValue + "\"}");
+        doPost("/api/plugins/telemetry/" + EntityType.DEVICE.name() + "/" + savedDevice.getUuidId() + "/SERVER_SCOPE", content)
+                .andExpect(status().isOk());
+
+        //reimport devices
+        String deviceName2 = "secondDevice";
+        String attributeValue2 = "testValue3";
+
+        request.setFile(String.format("NAME,TYPE,DATA\n%s,%s,%s\n%s,%s,%s", deviceName, "thermostat", attributeValue,
+                deviceName2, "thermostat", attributeValue2));
+        mapping.setUpdate(false);
+        doPostWithTypedResponse("/api/device/bulk_import", request, new TypeReference<>() {});
+        Device savedDevice2 = doGet("/api/tenant/devices?deviceName=" + deviceName2, Device.class);
+
+        //check attribute value was not changed after reimport
+        List<Map<String, Object>> values2 = doGetAsyncTyped("/api/plugins/telemetry/DEVICE/" + savedDevice.getId() +
+                "/values/attributes/SERVER_SCOPE", new TypeReference<>() {
+        });
+        Map<String, Object> retrievedServerAttribute2 = values2.stream().filter(att -> att.get("key").equals("DATA")).findFirst().get();
+        Assert.assertEquals(newAttributeValue, retrievedServerAttribute2.get("value"));
+
+        //check attribute for second device
+        List<Map<String, Object>> values3 = doGetAsyncTyped("/api/plugins/telemetry/DEVICE/" + savedDevice2.getId() +
+                "/values/attributes/SERVER_SCOPE", new TypeReference<>() {
+        });
+        Map<String, Object> retrievedServerAttribute3 = values3.stream().filter(att -> att.get("key").equals("DATA")).findFirst().get();
+        Assert.assertEquals(attributeValue2, retrievedServerAttribute3.get("value"));
+    }
+
     private Device createDevice(String name) {
         Device device = new Device();
         device.setName(name);