The Devices page allows you to manage which devices are registered as development devices. To add a development device, either run a development build of your app on your device or find an existing user via the Users dashboard and click Register next to the device.
Development device list
Here you can see a list of all registered developer devices under your account for the selected app. You will see the device name, when the device was last active, the device model, the OS name, and the OS version. Clicking on the device name will take you to the associated user profiles in the Users dashboard.
Unregister development device
After you click the device name to go to the User profile associated with your test device, you can clickClicking "Unregister" to unregister the development device. If you need to unregister another team member’s development device, find it in the Users dashboard and unregister it from there.