11. A wireless communication device comprising: a network adapter configured to establish an Extensible Messaging and Presence Protocol (XMPP) connection between the wireless communication device and a first server, and configured to establish a closed connection between the wireless communication device and a second server; wherein the XMPP connection and the closed connection are not established at the same time; and a processor configured to: receive a first message pushed from the first server through the XMPP connection, wherein the first message is generated at the first server and is pushed from the first server to the wireless communication device in response to the second server receiving specific data; request, in response to receiving the first message, the specific data from the second server through the closed connection; and receive the specific data from the second server through the closed connection in response to requesting the specific data from the second server.
11. A wireless communication device comprising: a network adapter configured to establish an Extensible Messaging and Presence Protocol (XMPP) connection between the wireless communication device and a first server, and configured to establish a closed connection between the wireless communication device and a second server; wherein the XMPP connection and the closed connection are not established at the same time; and a processor configured to: receive a first message pushed from the first server through the XMPP connection, wherein the first message is generated at the first server and is pushed from the first server to the wireless communication device in response to the second server receiving specific data; request, in response to receiving the first message, the specific data from the second server through the closed connection; and receive the specific data from the second server through the closed connection in response to requesting the specific data from the second server. 12. The wireless communication device according to claim 11 , wherein the XMPP connection utilizes an instant messaging protocol.