Patent attributes
A computer-implemented method includes displaying within a web browser executing on a computing device an offer to activate a data communication service for the computing device to communicate over a cellular network. A communication link is establish, through the web browser, between the computing device and a data plan web portal configured to receive information from a user of the computing device, where the information is used to activate the data communication service. An encrypted message including a unique identifier of the computing device is transmitted from the computing device, through the web browser, to the data plan web portal. A message including instructions to execute a process on the computing device to activate the data communication service for the computing device to communicate over the cellular network is received, through the web browser, at the computing device.