Please note the following:
In the event the main Phonecheck iOS app goes down, we will switch over to an Enterprise iOS app in the interim.
The enterprise iOS application will require to be trusted prior to being able to be opened.
Open the Settings menu on the iPhone
Select the "Profile Downloaded" option
(Optional) Install the Wi-Fi profile if Wi-Fi is not already connected to the iPhone
Select the profile under the Enterprise App option and proceed to "trust" the profile
The Phonecheck App should now be able to be opened.