diff --git a/ui-ngx/src/app/modules/home/components/iot-hub/device-install-dialog/device-install-dialog.component.html b/ui-ngx/src/app/modules/home/components/iot-hub/device-install-dialog/device-install-dialog.component.html
index 733ed0a906..402381ad67 100644
--- a/ui-ngx/src/app/modules/home/components/iot-hub/device-install-dialog/device-install-dialog.component.html
+++ b/ui-ngx/src/app/modules/home/components/iot-hub/device-install-dialog/device-install-dialog.component.html
@@ -164,8 +164,8 @@
 
 <!-- Main dialog -->
 @if (loading) {
-  <div class="flex items-center justify-center py-12">
-    <mat-spinner diameter="40"></mat-spinner>
+  <div class="flex h-full items-center justify-center py-12">
+    <mat-spinner diameter="60"></mat-spinner>
   </div>
 } @else {
   <div class="tb-device-install-header flex items-center gap-3 py-2 pl-6 pr-2">
diff --git a/ui-ngx/src/app/modules/home/components/iot-hub/device-install-dialog/device-install-dialog.component.ts b/ui-ngx/src/app/modules/home/components/iot-hub/device-install-dialog/device-install-dialog.component.ts
index 53dc3ac523..e4df929fd2 100644
--- a/ui-ngx/src/app/modules/home/components/iot-hub/device-install-dialog/device-install-dialog.component.ts
+++ b/ui-ngx/src/app/modules/home/components/iot-hub/device-install-dialog/device-install-dialog.component.ts
@@ -53,10 +53,10 @@ import {
   InstallStepType,
   stepTypeAliasMap
 } from '@shared/models/iot-hub/device-package.models';
+import { mergeMap } from 'rxjs/operators';
 
 export interface DeviceInstallDialogData {
   item: MpItemVersionView;
-  zipData: ArrayBuffer;
   reviewMode?: boolean;
   selectedInstallMethod?: string;
   installState?: Record<string, any>;
@@ -138,8 +138,11 @@ export class TbDeviceInstallDialogComponent extends DialogComponent<TbDeviceInst
 
   async ngOnInit(): Promise<void> {
     try {
+      const zipData = await firstValueFrom(this.iotHubApiService.getVersionFileData(this.data.item.id, { ignoreLoading: true }).pipe(
+        mergeMap((blob: Blob) => blob.arrayBuffer())
+      ));
       const JSZip = (await import('jszip')).default;
-      const zip = await JSZip.loadAsync(this.data.zipData);
+      const zip = await JSZip.loadAsync(zipData);
       const imageExtensions = new Set(['png', 'jpg', 'jpeg', 'gif', 'svg']);
       for (const [path, entry] of Object.entries(zip.files) as [string, any][]) {
         if (!entry.dir) {
diff --git a/ui-ngx/src/app/modules/home/components/iot-hub/iot-hub-actions.service.ts b/ui-ngx/src/app/modules/home/components/iot-hub/iot-hub-actions.service.ts
index 4fd1565c07..bae080a464 100644
--- a/ui-ngx/src/app/modules/home/components/iot-hub/iot-hub-actions.service.ts
+++ b/ui-ngx/src/app/modules/home/components/iot-hub/iot-hub-actions.service.ts
@@ -129,34 +129,24 @@ export class IotHubActionsService {
   }
 
   installDevice(item: MpItemVersionView): Observable<string> {
-    return this.fetchZipData(item).pipe(
-      mergeMap((zipData: ArrayBuffer) => this.openDeviceInstallDialog(item, zipData))
-    );
+    return this.openDeviceInstallDialog(item);
   }
 
   reviewDevice(item: MpItemVersionView, deviceDescriptor: DeviceInstalledItemDescriptor): Observable<any> {
-    return this.fetchZipData(item).pipe(
-      mergeMap((zipData: ArrayBuffer) => this.openDeviceInstallDialog(item, zipData, {
+    return this.openDeviceInstallDialog(item, {
         reviewMode: true,
         selectedInstallMethod: deviceDescriptor.selectedInstallMethod,
         installState: deviceDescriptor.installState
-      }))
-    );
-  }
-
-  private fetchZipData(item: MpItemVersionView): Observable<ArrayBuffer> {
-    return this.iotHubApiService.getVersionFileData(item.id as string, { ignoreLoading: true }).pipe(
-      mergeMap((blob: Blob) => blob.arrayBuffer())
-    );
+      });
   }
 
-  private openDeviceInstallDialog(item: MpItemVersionView, zipData: ArrayBuffer,
+  private openDeviceInstallDialog(item: MpItemVersionView,
                                   options?: { reviewMode?: boolean; selectedInstallMethod?: string; installState?: any }): Observable<any> {
-    return this.dialog.open(TbDeviceInstallDialogComponent, {
+    return this.dialog.open<TbDeviceInstallDialogComponent, DeviceInstallDialogData>(TbDeviceInstallDialogComponent, {
       panelClass: ['tb-dialog', 'tb-fullscreen-dialog-lt-md'],
       disableClose: true,
       autoFocus: false,
-      data: { item, zipData, ...options } as DeviceInstallDialogData
+      data: { item, ...options }
     }).afterClosed();
   }
 }