39Activating or deactivating connectionsOpen the Application menu and tap Settings to manage your connection settings.Item DescriptionSIM management Under SIM INFORMATION, both SIM cards are listed. Tap theSIM card name to display basic settings and tap on or off toactivate or deactivate the SIM, respectively.Voice call: Use one SIM card for all phone calls or select whichSIM card to use every call.Messaging: Use one SIM card for all messages or select whichSIM card to use every message.Data connection: Use one SIM card for all data connections orselect which SIM card to use every time you connect.3G service: Select the SIM card that uses a 3G connection andthe network mode.Roaming: Set options for your phone when outside your normalnetwork.Contact binding: Displays and enables you to add whichcontacts are associated with (not necessarily saved to) aparticular SIM card when calling or messaging.Set a default SIM for particular functions (such as voice calling ormessaging), turn the data connection on or off, set roamingpreferences and associate contacts with a SIM.SIM management Set a default SIM for particular functions (such as voice calling ormessaging), turn the data connection on or off, set roamingpreferences and associate contacts with a SIM.Wi-Fi Turn the Wi-Fi function on or off.Bluetooth Turn the Bluetooth function on or off.Data usage View an estimate of the mobile data used on each SIM.Call Settings Change voice call related settings, internet call related settings,enable or disable Float Caller, enable or disable the proximitysensor and other settings.