Implementation of biometric authentication

An electronic device performs techniques related to receiving a request to perform an operation that requires authentication, in response to receiving the request to perform the operation that requires authentication, attempting to authenticate a user, if authentication is successful, performing the operation, and if authentication is not successful and that a set of error condition criteria is met: displaying an indication of a location of the one or more biometric sensors, wherein the indication is a graphical indicator that is displayed at a respective location on the display that is a first distance from a first edge of the electronic device, and wherein the respective location on display is a second distance from a second edge of the electronic device, wherein the second edge is opposite from the first edge, and wherein the second distance is greater than the first distance, and forgoing performing the operation.