diff --git a/application/src/test/java/org/thingsboard/server/controller/MobileApplicationControllerTest.java b/application/src/test/java/org/thingsboard/server/controller/MobileApplicationControllerTest.java
index ad049295ea..39e2ef6a40 100644
--- a/application/src/test/java/org/thingsboard/server/controller/MobileApplicationControllerTest.java
+++ b/application/src/test/java/org/thingsboard/server/controller/MobileApplicationControllerTest.java
@@ -110,7 +110,7 @@ public class MobileApplicationControllerTest extends AbstractControllerTest {
         mobileAppSettings.setIosConfig(IosConfig.builder().enabled(false).build());
         doPost("/api/mobile/app/settings", mobileAppSettings)
                 .andExpect(status().isBadRequest())
-                .andExpect(statusReason(containsString("Qr code config is required!")));
+                .andExpect(statusReason(containsString("Qr code configuration is required!")));
 
         mobileAppSettings.setQrCodeConfig(QRCodeConfig.builder().showOnHomePage(false).build());
         doPost("/api/mobile/app/settings", mobileAppSettings)
@@ -121,6 +121,7 @@ public class MobileApplicationControllerTest extends AbstractControllerTest {
     public void testShouldNotSaveMobileAppSettingsWithoutRequiredAndroidConf() throws Exception {
         loginSysAdmin();
         MobileAppSettings mobileAppSettings = doGet("/api/mobile/app/settings", MobileAppSettings.class);
+        mobileAppSettings.setUseDefaultApp(false);
         AndroidConfig androidConfig = AndroidConfig.builder()
                 .enabled(true)
                 .appPackage(null)
@@ -130,12 +131,12 @@ public class MobileApplicationControllerTest extends AbstractControllerTest {
 
         doPost("/api/mobile/app/settings", mobileAppSettings)
                 .andExpect(status().isBadRequest())
-                .andExpect(statusReason(containsString("Application package and sha256 cert fingerprints are required for enabled android settings!")));
+                .andExpect(statusReason(containsString("Application package and sha256 cert fingerprints are required for custom android application!")));
 
         androidConfig.setAppPackage("test_app_package");
         doPost("/api/mobile/app/settings", mobileAppSettings)
                 .andExpect(status().isBadRequest())
-                .andExpect(statusReason(containsString("Application package and sha256 cert fingerprints are required for enabled android settings!")));
+                .andExpect(statusReason(containsString("Application package and sha256 cert fingerprints are required for custom android application!")));
 
         androidConfig.setSha256CertFingerprints("test_sha_256");
         doPost("/api/mobile/app/settings", mobileAppSettings)
@@ -146,6 +147,7 @@ public class MobileApplicationControllerTest extends AbstractControllerTest {
     public void testShouldNotSaveMobileAppSettingsWithoutRequiredIosConf() throws Exception {
         loginSysAdmin();
         MobileAppSettings mobileAppSettings = doGet("/api/mobile/app/settings", MobileAppSettings.class);
+        mobileAppSettings.setUseDefaultApp(false);
         IosConfig iosConfig = IosConfig.builder()
                 .enabled(true)
                 .appId(null)
@@ -154,13 +156,25 @@ public class MobileApplicationControllerTest extends AbstractControllerTest {
 
         doPost("/api/mobile/app/settings", mobileAppSettings)
                 .andExpect(status().isBadRequest())
-                .andExpect(statusReason(containsString("Application id is required for enabled ios settings!")));
+                .andExpect(statusReason(containsString("Application id is required for custom ios application!")));
 
         iosConfig.setAppId("test_app_id");
         doPost("/api/mobile/app/settings", mobileAppSettings)
                 .andExpect(status().isOk());
     }
 
+    @Test
+    public void testShouldSaveMobileAppSettingsForDefaultApp() throws Exception {
+        loginSysAdmin();
+        MobileAppSettings mobileAppSettings = doGet("/api/mobile/app/settings", MobileAppSettings.class);
+        mobileAppSettings.setUseDefaultApp(true);
+        mobileAppSettings.setIosConfig(null);
+        mobileAppSettings.setAndroidConfig(null);
+
+        doPost("/api/mobile/app/settings", mobileAppSettings)
+                .andExpect(status().isOk());
+    }
+
     @Test
     public void testGetApplicationAssociations() throws Exception {
         loginSysAdmin();
diff --git a/dao/src/main/java/org/thingsboard/server/dao/service/validator/MobileAppSettingsDataValidator.java b/dao/src/main/java/org/thingsboard/server/dao/service/validator/MobileAppSettingsDataValidator.java
index 6400cd08af..c867b08cc4 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/service/validator/MobileAppSettingsDataValidator.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/service/validator/MobileAppSettingsDataValidator.java
@@ -38,14 +38,14 @@ public class MobileAppSettingsDataValidator extends DataValidator<MobileAppSetti
             throw new DataValidationException("Android/ios settings are required to use custom application!");
         }
         if (qrCodeConfig == null) {
-            throw new DataValidationException("Qr code config is required!");
+            throw new DataValidationException("Qr code configuration is required!");
         }
-        if (androidConfig != null && androidConfig.isEnabled() &&
+        if (androidConfig != null && androidConfig.isEnabled() && !mobileAppSettings.isUseDefaultApp() &&
                 (androidConfig.getAppPackage() == null || androidConfig.getSha256CertFingerprints() == null)) {
-            throw new DataValidationException("Application package and sha256 cert fingerprints are required for enabled android settings!");
+            throw new DataValidationException("Application package and sha256 cert fingerprints are required for custom android application!");
         }
-        if (iosConfig != null && iosConfig.isEnabled() && iosConfig.getAppId() == null) {
-            throw new DataValidationException("Application id is required for enabled ios settings!");
+        if (iosConfig != null && iosConfig.isEnabled() && !mobileAppSettings.isUseDefaultApp() && iosConfig.getAppId() == null) {
+            throw new DataValidationException("Application id is required for custom ios application!");
         }
     }
 }