Microsoft has increased the limit to allows Maximum 15 Devices assigned to a single user license in Intune

Microsoft has recently Increased Mobile Device Enrolment limit from 5 to 15 for a user. This means a single Intune user now can enroll up to 15 devices by using a single Intune license. this feature also comes with a limitation that you can’t limit it to a specific group of users. if you make any changes, it will be applied to all the users

This feature also comes with a limitation that you can’t limit it to a specific group of users. if you make any changes, it will be applied to all the users

https://microsoftintune.uservoice.com/forums/291681-ideas/suggestions/8476036-increase-device-limit-from-5

How to change Device Enrollment Limit – 

device_enrollment_rules