diff --git a/android/app/src/main/java/com/naviapp/registration/usecase/RealTimeMessagingInitUseCase.kt b/android/app/src/main/java/com/naviapp/registration/usecase/RealTimeMessagingInitUseCase.kt
index 3cd7512bbf..962a4ae602 100644
--- a/android/app/src/main/java/com/naviapp/registration/usecase/RealTimeMessagingInitUseCase.kt
+++ b/android/app/src/main/java/com/naviapp/registration/usecase/RealTimeMessagingInitUseCase.kt
@@ -8,6 +8,7 @@
 package com.naviapp.registration.usecase
 
 import com.navi.analytics.utils.NaviTrackEvent
+import com.navi.base.utils.BaseUtils
 import com.navi.base.utils.coroutine.CoroutineManager
 import com.navi.common.model.ModuleName
 import com.navi.common.utils.deviceId
@@ -34,26 +35,30 @@ constructor(
 
     fun initSdks(naeScreenName: String) {
         CoroutineManager.scope.launchOnIO {
-            val response =
-                configRepository.fetchKruzConfig(
-                    ModuleName.KRUZ_PROXY.name,
-                    naeScreenName = naeScreenName,
-                )
+            if (BaseUtils.isUserLoggedIn()) {
+                val response =
+                    configRepository.fetchKruzConfig(
+                        ModuleName.KRUZ_PROXY.name,
+                        naeScreenName = naeScreenName,
+                    )
 
-            if (!response.isValidResponse()) {
-                trackError(response.error?.message.orEmpty())
-                return@launchOnIO
+                if (!response.isValidResponse()) {
+                    trackError(response.error?.message.orEmpty())
+                    return@launchOnIO
+                }
+
+                val data =
+                    response.data
+                        ?: run {
+                            trackError(MSG_RESPONSE_DATA_NULL)
+                            return@launchOnIO
+                        }
+
+                setupMqttIfEnabled(data)
+                setupFcmTopics(data.fcmTopics)
+            } else {
+                setupFcmTopics(null)
             }
-
-            val data =
-                response.data
-                    ?: run {
-                        trackError(MSG_RESPONSE_DATA_NULL)
-                        return@launchOnIO
-                    }
-
-            setupMqttIfEnabled(data)
-            setupFcmTopics(data.fcmTopics)
         }
     }
 
@@ -70,7 +75,7 @@ constructor(
         MqttManager.init(
             NaviApplication.instance,
             MqttSdkInitParams(
-                username = BuildConfig.MQTT_USERNAME,
+                username = data.username ?: BuildConfig.MQTT_USERNAME,
                 password = BuildConfig.MQTT_PASSWORD,
                 clientId = deviceId,
                 brokerIP = data.brokerIP.orEmpty(),