How to Recover/Redownload WhatsApp Messages/Pictures/Videos from Android...

"I deleted the WhatsApp image folder on my Samsung by mistake. Now I'm unable to redownload these images. Is there any way to recover?"

It is possible to recover WhatsApp chat history.
Normally, Android WhatsApp messages, photos and videos can be restored in 3 ways.

1. Uninstall and reinstall WhatsApp app. WhatsApp makes daily backup to local storage. This requires complete WhatsApp folder on your phone.   
2. Restore from Google Drive. You should have set automatic backup on WhatsApp app.
3. Use recovery tool. This should be applied when you have no backup for the lost images or messages.    

Here is a detailed tutorial about how to recover/redownload WhatsApp messages, pictures and videos from Android. http://www.gihosoft.com/android-recovery/how-to-recover-whatsapp-chat-history-from-android.html