On the App before logging in there is a settings button which has various controls, including time format, photo size, and other options. 

There are also the following action buttons;

CLEAN FILES - Removes old files that are no longer needed to create more space on the device.

SUBMIT LOGS - Sends the data from the phone to our development team. Only needed when its requested by the support team

CLEAR FORMITIZE - Removes everything off the device apart from Saved Forms and allows for a fresh Sync to the Portal

REBUILD TABLES - Can correct errors on data tables, usually you are given a message when this is needed.