WhatsApp Messenger allows you to customize the media auto-download settings and decide whether you want to auto-save all the files you receive via WhatsApp or download them selectively. You can also choose to download them using a Wi-Fi network or cellular and cut the mobile data costs when you are traveling and using the roaming. Read this article to find out how to configure the media auto-download settings on WhatsApp.
2) Next, configure auto-download options for each category of files: photos, videos, audio and documents. You can set WhatsApp up that it will only auto-download files when using Wi-Fi connection to reduce cellular data usage, or choose both (Wi-Fi and Cellular) or select Never to manually download files that you wish to see and keep.