Open the ALTT App and login with your registered Email ID.
Tap the ‘Menu’ option (three horizontal bars) located at the top-left corner.
Tap on the ‘Downloads’ option.
Tap on the ‘Delete’ button in the top-right corner.
Select the video you want to delete using the check boxes displayed on the right-hand side of the thumbnails.
Or tap on the ‘Clear All’ button displayed on the bottom of the page to delete all the downloaded videos.