Enrolling iOS devices with the Intune Company Portal
Install the Intune Company Portal mobile application to enroll your iOS device with Intune.
To enroll an iOS device with Intune
Download the Intune Company Portal application from the App Store:
https://apps.apple.com/us/app/intune-company-portal/id719171358Log into the application with your Microsoft user credentials.
Follow the application instructions to enroll your device and install the Certificate Management Profile.