A method including obtaining, via a first push notification received by a mobile station, a first usage amount of a mobile communication network resource allocation associated with the mobile station; storing, in the mobile station, the first usage amount; determining that the stored first usage amount is out of date; in response to the determination that the stored first usage amount is out of date, transmitting a request for a usage amount of the mobile communication network resource allocation; receiving a response to the request, the response indicating a second usage amount of the mobile communication network resource allocation; and displaying, on a display unit included in the mobile station, a graphical indication of an amount of the mobile communication network resource allocation that has been used or remains to be used, based on the second usage amount.