Apple has released the latest version of software for the iPhone, iOS 13.1. Partners MobileIron/EMM team has completed testing and it is OK to install. If you upgrade from iOS 12, please note you must re-enter your Partners email password.
A Pop-up automatically appears requesting you to re-enter your password after installing iOS 13. If you accidentally click 'Cancel", you can return to the place on your iPhone by selecting Settings, Passwords & Accounts, PARTNERS (OAUTH) and re-enter your password. Further instructions can be found here: Enrolling into MobileIron for iOS