A method for providing biometrical authentication, comprising: at an electronic device having one or more biometric sensors and a display: while displaying a device state indicator, wherein the indicator indicates whether the device is in a locked or unlocked state, detecting a request, which can be made while the electronic device is locked or unlocked, to perform a respective operation that the device is not authorized to perform while the device is locked; and in response to detecting the request to perform the respective operation: in accordance with a determination that the device is unlocked when the device detects the request to perform the respective operation and the request includes a swipe starting from an edge of the display of the electronic device, performing the respective operation; and in accordance with a determination that the device is locked and a first form of authentication is available for use, wherein the first form of authentication is a form of biometric authentication based on data obtained by the one or more biometric sensors, wherein the data corresponds to one or more facial features, displaying, on the display, an authentication indicator for the first form of authentication without displaying one or more affordances for using a second form of authentication. while displaying a device state indicator, wherein the indicator indicates whether the device is in a locked or unlocked state, detecting a request, which can be made while the electronic device is locked or unlocked, to perform a respective operation that the device is not authorized to perform while the device is locked; and in response to detecting the request to perform the respective operation: in accordance with a determination that the device is unlocked when the device detects the request to perform the respective operation and the request includes a swipe starting from an edge of the display of the electronic device, performing the respective operation; and in accordance with a determination that the device is locked and a first form of authentication is available for use, wherein the first form of authentication is a form of biometric authentication based on data obtained by the one or more biometric sensors, wherein the data corresponds to one or more facial features, displaying, on the display, an authentication indicator for the first form of authentication without displaying one or more affordances for using a second form of authentication. in accordance with a determination that the device is unlocked when the device detects the request to perform the respective operation and the request includes a swipe starting from an edge of the display of the electronic device, performing the respective operation; and in accordance with a determination that the device is locked and a first form of authentication is available for use, wherein the first form of authentication is a form of biometric authentication based on data obtained by the one or more biometric sensors, wherein the data corresponds to one or more facial features, displaying, on the display, an authentication indicator for the first form of authentication without displaying one or more affordances for using a second form of authentication.