1.Open the Liberty Photo App on your iDevice and then Sign In.
If you are not familiar with this procedure please visit the following page:
Opening The Liberty Photo App
2.Search for the item by using either Account-Item Number or by scanning a tag using the Scan Tag button.
Then open the item.
You can use the following articles for more information if needed:
How Use The Camera To Add Images To Items By Using Account - Item Number iOS
How To Add Images To An Item Using A Barcode On The Tag iOS
3.Once you have opened the item you want to edit, tap one of the pictures attached to the item.
4.From here, you can edit the Exposure, Brightness and Contrast. You can also Crop the image so that you get rid of anything in the image you do not want to show. It is also possible to Rotate the image if it is in the wrong orientation.
Finally tap the Save button.