diff --git a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/right-drawer/album-box.component.ts b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/right-drawer/album-box.component.ts
index 577b996d..51cce482 100644
--- a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/right-drawer/album-box.component.ts
+++ b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/right-drawer/album-box.component.ts
@@ -211,7 +211,7 @@ export class AlbumBoxComponent implements OnInit, OnDestroy {
     this.commonApiService
       .fileTalkDownload({
         userSeq: this.loginRes.userSeq,
-        deviceType: DeviceType.PC,
+        deviceType: this.environmentsInfo.deviceType,
         token: this.loginRes.tokenString,
         attachmentsSeq: fileInfo.info.seq,
         fileDownloadItem: fileInfo.fileDownloadItem
diff --git a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/right-drawer/file-box.component.ts b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/right-drawer/file-box.component.ts
index 8210cb7f..38ded6e3 100644
--- a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/right-drawer/file-box.component.ts
+++ b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/right-drawer/file-box.component.ts
@@ -33,7 +33,11 @@ import {
   CreateChatDialogResult,
   CreateChatDialogData
 } from '../../dialogs/chat/create-chat.dialog.component';
-import { UserSelectDialogType } from '@app/types';
+import {
+  UserSelectDialogType,
+  EnvironmentsInfo,
+  KEY_ENVIRONMENTS_INFO
+} from '@app/types';
 import { RoomInfo } from '@ucap-webmessenger/protocol-room';
 
 export interface FileInfoTotal {
@@ -60,6 +64,7 @@ export class FileBoxComponent implements OnInit, OnDestroy {
   selectedFileList: FileInfoTotal[] = [];
 
   loginRes: LoginResponse;
+  environmentsInfo: EnvironmentsInfo;
 
   currentTabIndex = 0;
 
@@ -78,6 +83,9 @@ export class FileBoxComponent implements OnInit, OnDestroy {
     this.loginRes = this.sessionStorageService.get<LoginResponse>(
       KEY_LOGIN_RES_INFO
     );
+    this.environmentsInfo = this.sessionStorageService.get<EnvironmentsInfo>(
+      KEY_ENVIRONMENTS_INFO
+    );
   }
 
   ngOnInit() {
@@ -247,7 +255,7 @@ export class FileBoxComponent implements OnInit, OnDestroy {
     this.commonApiService
       .fileTalkDownload({
         userSeq: this.loginRes.userSeq,
-        deviceType: DeviceType.PC,
+        deviceType: this.environmentsInfo.deviceType,
         token: this.loginRes.tokenString,
         attachmentsSeq: fileInfo.info.seq,
         fileDownloadItem: fileInfo.fileDownloadItem
diff --git a/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/message/message-detail.dialog.component.ts b/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/message/message-detail.dialog.component.ts
index 5dc46635..c5639525 100644
--- a/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/message/message-detail.dialog.component.ts
+++ b/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/message/message-detail.dialog.component.ts
@@ -161,7 +161,7 @@ export class MessageDetailDialogComponent implements OnInit {
         this.messageApiService
           .retrieveResourceFile({
             userSeq: this.data.loginRes.userSeq,
-            deviceType: DeviceType.PC,
+            deviceType: this.data.environmentsInfo.deviceType,
             tokenKey: this.data.loginRes.tokenString,
             type: this.messageInfo.type,
             msgId: this.messageInfo.msgId,
@@ -187,7 +187,7 @@ export class MessageDetailDialogComponent implements OnInit {
         this.messageApiService
           .retrieveResourceFile({
             userSeq: this.data.loginRes.userSeq,
-            deviceType: DeviceType.PC,
+            deviceType: this.data.environmentsInfo.deviceType,
             tokenKey: this.data.loginRes.tokenString,
             type: this.messageInfo.type,
             msgId: this.messageInfo.msgId,
@@ -215,7 +215,7 @@ export class MessageDetailDialogComponent implements OnInit {
   //   this.messageApiService
   //     .retrieveResourceFile({
   //       userSeq: this.data.loginRes.userSeq,
-  //       deviceType: DeviceType.PC,
+  //       deviceType: this.data.environmentsInfo.deviceType,
   //       tokenKey: this.data.loginRes.tokenString,
   //       type: this.messageInfo.type,
   //       msgId: this.messageInfo.msgId,
@@ -310,7 +310,7 @@ export class MessageDetailDialogComponent implements OnInit {
     this.messageApiService
       .retrieveResourceFile({
         userSeq: this.data.loginRes.userSeq,
-        deviceType: DeviceType.PC,
+        deviceType: this.data.environmentsInfo.deviceType,
         tokenKey: this.data.loginRes.tokenString,
         type: this.messageInfo.type,
         msgId: this.messageInfo.msgId,
@@ -541,7 +541,7 @@ export class MessageDetailDialogComponent implements OnInit {
         this.messageApiService
           .cancelMessage({
             userSeq: this.data.loginRes.userSeq,
-            deviceType: DeviceType.PC,
+            deviceType: this.data.environmentsInfo.deviceType,
             tokenKey: this.data.loginRes.tokenString,
             type: this.messageInfo.type,
             msgId: this.messageInfo.msgId,