The embodiments herein relate to a mobile terminal and a method for accessing a wireless network in a roaming environment, the mobile terminal being pre-provided with credentials to access the wireless network, the mobile terminal further being provided with an application, said application includes a service part and an application part. The mobile terminal is configured to: send a request to a EAP server, the request including the credentials of the mobile terminal; connect the service part of the application to an access control server which adds/creates an EAP account for the mobile terminal for a predetermined time period; and to access the wireless network when the EAP server validly authenticates the credentials of the mobile terminal. The embodiments also relate to a method in the access control server and to the server.