A method of operating a wireless modem is described. The method comprises identifying a first wireless modem to a computer system as locally attached mass storage, wherein the first wireless modem is removable from the computer system without opening a case of the computer system, registering the first wireless modem on a wireless network, receiving information from the wireless network about shared data, wherein the shared data is data that is shared with a second wireless modem, sending a storage request to the wireless network, and receiving data that is shared with the second wireless modem.