Summary: Halligan saves a full copy of every check ever performed on an apparatus. Regardless of whether a check is done on a mobile app or through the desktop app, the full history will be viewable from either device.
Tap the "Apparatus" icon at the bottom of the page
Then tap on the Apparatus for which you want to view its history
From this page, you can see an Apparatus's full history. Scroll down to go further back in time