The file is stored in an encrypted format on disk and cannot be accessed until after the device has booted.
- iOS 5.0+
- UIKit for Mac 13.0+Beta
- tvOS 9.0+
- watchOS 2.0+
After the user unlocks the device for the first time, your app can access the file and continue to access it even if the user subsequently locks the device.
Working with Protection Levels
The file is stored in an encrypted format on disk and cannot be read from or written to while the device is locked or booting.
This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.Learn more about using Apple's beta software