Now, WhatsApp does not seem to delete the data from the server so that users can download it again.
The latest report states that the version between the 2.18.106 and 2.18.110 updates has got this new feature, which will let you download deleted media from the servers.
Though you may be wondering if it is possible to download all the data deleted you have deleted from Whatsapp, it doesn't allow to retract the media which are too old, It only allows you to download the data which is 30 days old. The only condition is that the message, which had the media attachment should not have been deleted by the sender, otherwise the download will not possible.
Last month Whatsapp launched UPI - enabled payments to feature to its users in India. Due to a mysterious bug, the timestamp on the chat window of users is appearing with numbers. This is made the file non-downloadable. Basically, the WhatsApp servers will store the media files even after downloading them.
If you have deleted the downloaded media content from the phone's storage, you can go back to the chat conversation on WhatsApp. The feature is already available for iPhone users and it makes it easier to record voice message without holding the record button for the entire time. At present, if users delete media including photos, GIFs, and videos from their phone they can not re-download the same on WhatsApp again. The WhatsApp team pushed the update to fix the problem, as soon as the bug was reported online. It has chose to store all the messages and multimedia content on its server even if it is downloaded by the user.
This means that if you removed any images, GIFs, videos, audio files, audio recordings or even a document from the internal storage of your smartphone, WhatsApp will allow you to re-download them again from its servers.
According to the report, files deleted two months ago could also be downloaded during the testing of the feature.