How to Reset Any Changes to Your Images

1. Click Photo Gallery from the menu on the left of your WordPress dashboard.
2. Click the gallery of which images you want to reset.
3. Select the images you want to reset by checking the box next to each image.
4. Click the Bulk Actions  in the drop-down menu, and select Reset.
5. Click apply, then click Update at the top right.

Note: You can reset individual images by following steps 1 and 2, then hovering over each image you want to reset, and click the Reset button that appears.