If the Jack in the Box app is only displaying categories and not the full menu as it previously did, there are several steps you can take to troubleshoot and potentially resolve the issue:

1. Check Location Settings:
Ensure that the app is set to your correct location. Sometimes, the menu items can vary by location or could be facing temporary issues in specific stores. Go to the app settings and confirm your current location.

2. Update the App:
Make sure your Jack in the Box app is updated to the latest version. An outdated version may not function correctly. Go to the Microsoft Store, search for the Jack in the Box app, and update if necessary.

3. Clear Cache and Data:
Clearing the app's cache may solve the problem. Go to your device settings, navigate to Apps, find Jack in the Box, and clear the cache.

4. Reinstall the App:
Uninstall the Jack in the Box app and then reinstall it. This can bring back any missing features or updates that were not properly applied during the last update. After reinstalling, log back in and check if the full menu appears.

5. Contact Customer Support:
If the issue persists, reaching out to Jack in the Box customer service might provide clarity. You can contact them through their website or social media pages for assistance regarding missing menu items in the app - learn more.

6. Check Online Menu:
As a temporary measure, you can check the full menu on the Jack in the Box official website. This can help confirm whether the items are available for ordering or not - learn more.

7. Local Store Issues:
In some cases, certain items may not be available due to local store inventory issues. It might be helpful to directly call your local Jack in the Box to inquire about specific menu items that should be available - learn more.

By following these steps, you should find a resolution to the menu visibility issue within the app.