If you have backed up your videos using some cloud services like Samsung Cloud, Dropbox, etc. then you can directly get your deleted videos back by extracting them from the backup. [br]
If the above way fail to help you out, there’s the last choice for you to get deleted videos and photos back. MobiKin Doctor for Android is a 100% safe and powerful Android data recovery tool that is widely accepted as the best tool for Samsung users to retrieve deleted or lost files including photos videos.