Backup and restore capabilities are among the most important features on mobile devices being used today. iOS has capabilities both in the cloud (iCloud) and on physical machines (iTunes). Backup and restore options leveraged in enterprise deployments – BYOD or company owned – often cause confusion with seemingly inconsistent behavior. It’s important to remember that, while leveraged by enterprises worldwide, these are consumer features first, and will behave accordingly. The following scenarios should help organizations understand some of the expected behavior when handling iOS data restores and device management.
About the scenarios – The table was created based on testing two iPad devices both running iOS 12.1.
In each scenario the back up comes from Device ‘A’ (Backup A). The device and the backup are important as restoring data to the same device serial # that it came from has drastically different results than restoring to a device with a different serial # (serial # isn’t the only factor taken in to consideration, but it is the most easily identifiable).
All enrollments were DEP with no profile restrictions or steps skipped and Supervised profile included as part of the setup.
Please note the following limitations when skipping items in the DEP Profile:
- Skipping the Restore option entirely will not allow iTunes or iCloud restores during the setup assistant
- Skipping the Apple ID will remove iCloud restore as an option
- Restricting iTunes pairing as part of the DEP profile will remove iTunes restore as an option
Scenarios yield the same results for both iTunes and iCloud restores, however the setup assistant will behave with slight differences due to input of Apple ID for iCloud. The assumption is that all management profile data backups and restores are going through the same MDM/EMM/UEM service, and not during the migration from one solution to another.
What this pro thinks – Device backups are primarily a consumer driven feature. There is no guarantee that this functionality won’t change drastically in the future or even potentially become off-limits on enterprise (DEP) enabled devices. EMM services can already provide much of what the backups themselves do – placing apps, information, and configurations on the device – and much of the same content can be restored post setup with a simple iCloud sync.
While I certainly understand why some environments prefer using these features (one of the biggest reasons is that voicemail and message history are only restored during the setup process), I would suggest that most companies skip the backup-and-restore workflows entirely for anything other than BYOD, and instead leverage the EMM solution to get devices properly configured.
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