1. An electronic device, comprising: a display; a fingerprint sensor; one or more processors; memory; and one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs including instructions for: displaying an unlock user interface while the electronic device is in a locked mode of operation; and while displaying the unlock user interface, detecting a first input from a user of the device; and in response to detecting the first input: in accordance with a determination that the first input satisfies authentication of the user by a first authentication system: unlocking the device; and providing access to an application on the device without providing access to respective content associated with the application, wherein the first authentication system is selected from the set consisting of: a facial pattern recognition system, a retina recognition system, a vein pattern recognition system, a fingerprint recognition system, a gesture pattern system, an object selection pattern system, a pass code entry system, a device movement pattern system, and a device vibration pattern system; and in accordance with a determination that the first input does not satisfy authentication of the user by the first authentication system: forgoing unlocking the device; while the device is unlocked: detecting a second input that corresponds to a request to access the respective content; and in response to detecting the second input: in accordance with a determination that the second input satisfies authentication of the user using a second authentication system, providing access to the respective content associated with the application, wherein the second authentication system is selected from the set consisting of: a facial pattern recognition system, a retina recognition system, a vein pattern recognition system, a fingerprint recognition system, a gesture pattern system, an object selection pattern system, a pass code entry system, a device movement pattern system, and a device vibration pattern system; and in accordance with a determination that the second input does not satisfy authentication of the user by the second authentication system, continuing to provide access to the application without providing access to the respective content.