1. A method for managing packet data protocol (PDP) contexts between a mobile communications device and a wireless packet data service network, comprising: conducting with the wireless packet data service network a first PDP context associated with a first application running on the mobile communications device; releasing the first PDP context associated with the first application and establishing with the wireless packet data service network a second PDP context associated with a second application running on the mobile communications device responsive to a first input received from a user of the mobile communications device; and releasing the second PDP context and reestablishing with the wireless packet data service network the first PDP context associated with the first application responsive to a second input received from the user of the mobile communications device.