Updating sim card
Gemalto also provides devices, software and systems to manage everything from a single user's SIM card to an operator's entire distribution of SIM cards.SIM Application Toolkit (commonly referred to as STK) is a standard of the GSM system which enables the Subscriber Identity Module (SIM) to initiate actions which can be used for various value-added services.It is possible that you will be out of your telecommunications provider's coverage area or that your transmission speed will drop due to the fact that different telecommunications providers use different frequency bands.Also, you will not be able to use Vo LTE voice services on an au Vo LTE-compatible au mobile phone without an au Vo LTE-compatible SIM.End-users are able to instantly access news, games, chat and dating services along with mobile payment applications with an easy to use interface.It is not restricted by the handset make enabling operators to reach all of their customers.
The SIM also stores your personal phone directories, messages, information on roaming across different networks and many other value-added voice and data services.
The SIM Application Toolkit consists of a set of commands programmed into the SIM which define how the SIM should interact directly with the outside world and initiates commands independently of the handset and the network.
Updating Android software is done over GSM where the SIM Toolkit may install automatically with new software regardless of automatic install applications.
As of October 2010, mobile network operators can, for example, deliver updated STK application menus by sending a secure SMS to handsets that include a Toolbox ([email protected]) compliant wireless internet browser (WIB).
When using a SIM card compliant to the (BIP) in a BIP-compliant handset, the updates can be delivered very quickly as well (depending upon the network connectivity available to and supported by the handset, i.e. It might also be possible to change the menu of STK applications based on the Wireless Internet Gateway (WIG) specification.