How to Edit A Photo That Is Attached To An Item iOS
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. 
Related Topics
How To Download and Setup The Liberty Photo App for iOS
How To Use The Liberty Photo App for iOS Overview
Opening The Liberty Photo App iOS
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
How To Add Images Using the Gallery Feature (From Your iDevice’s Library)
Using The Import Feature To Import Photos from iCloud, Dropbox or Google Drive
Editing The Settings Within Liberty Photo App
Placing a Watermark Image On Your Pictures
Changing Which Server You Want To Connect To
Signing Out Of The Liberty Photo App
How To Download and Setup the Liberty Photo App for iOS Video