The present disclosure relates to electronic devices and methods for managing re-enrollment. According to the present disclosure, a method for managing re-enrollment of an electronic device may comprise storing data necessary for re-enrollment to manage the electronic device, reading the stored data corresponding to any one of initialization of the electronic device and deletion of a pre-stored management agent, sending a request for information necessary for authentication using the read data, and receiving at least one of the information necessary for authentication and a management agent installation file received corresponding to the request.