Patent ID: 9215547
Filing Date: 2015-12-15
Classification: H04L,H04W

Abstract:
1. A wireless device, comprising: a wireless modem, for wireless communication with a wireless network; at least one subscriber identity module, SIM, where the subscriber identify module is arranged to store a plurality of IMSIs; a network selection SIM app comprising computer program code arranged to run on the SIM to use rules and network selection data to select an IMSI and network combination by determining in the SIM the available networks, and selecting an IMSI and an available network based on determined network information and the network selection data; wherein the SIM is arranged to send environment information by a side channel to an update server and to receive update information updating one or more IMSIs and/or the network selection information from the update server, and wherein the side channel is a quarantined data connection to the update server, and the quarantined connection cannot be used to transmit user data, and wherein the wireless device includes a quarantine IMSI initiating the quarantine connection and at least one user IMSI initiating a user data connection.