Settings115Mobile networks›Use packet data● : Set to allow packet switched datanetworks for network services.Data roaming● : Set the device to connect another networkwhen you are roaming or your home network is notavailable.Access Point Names● : Set up access point names (APNs).Use only 2G networks● : Set the device to connect only to a2G network.Network operators● : Search for available networks andselect a network for roaming.Call settingsCustomise the settings for calling features.Fixed Dialling Numbers›Enable FDN● : Activate or deactivate FDN mode to restrictcalls to numbers in the FDN list. You must enter the PIN2supplied with your SIM or USIM card.Change PIN2● : Change the PIN2, which is used to protectthe primary PIN. If the SIM or USIM card is locked, this menuchanges to Unblock PIN2.FDN list● : Set up a list of contacts for fixed dialling.Voicemail›Voicemail service● : Select your service provider’s voice mailservice. You can also select other voice mail services if youdownloaded applications that support them.Voicemail number● : Enter the number to access the voicemail service. You can obtain this number from your serviceprovider.The location of these options differs when you insertone SIM or USIM card.