This would delete your content from the iCloud servers and any of your devices signed in to iCloud. You shouldn't manually delete your contacts, calendars, reminders, documents, photos, or any other iCloud information while you're signed in to iCloud with your Apple ID. There's a lot more to it, including multiple levels of encryption depending on which types of data, etc.Īpple has a page dedicated to what you need to do to sell your device.īefore you sell or give away your device, you should remove your personal information. I'd recommend reading through that document if you are interested in the security features of iOS devices. Important: Don’t use the “Erase all content and settings” option until device has been backed up, as there is no way to recover the erased data. Therefore, it’s an ideal way to be sure all personal information is removed from a device before giving it to somebody else or returning it for service. The “Erase all content and settings” option in Settings obliterates all the keys in Effaceable Storage, rendering all user data on the device cryptographically inaccessible. So your data is basically still there but no-one can read it anymore. When you choose to "Erase All Content and Settings" the device "obliterates" the keys. The keys that are used to encrypted and decrypt our data are stored on the devices. All the data on an iOS device is encrypted using strong encryption by default.
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