Settings81Mobile networks›Data enabled● : Set to use data connections on any mobilenetwork.Data roaming● : Set to use data connections when you areroaming.Access Point Names● : Select an access point name (APN) formobile networks. You can add or edit APNs. To reset yourAPN settings to the factory defaults, select → Reset todefault.Use only 2G networks● : Set to connect only to a GPRS orEDGE network.Network operators● :Search networks- : Search for and select a network.Select automatically- : Set the device to select the firstavailable network.SoundChange the settings for various sounds on your device.Volumes● : Adjust the volume for various sounds on yourdevice.Default notification● : Select a ringtone to alert you toevents, such as new messages and missed calls.Vibrate and ring● : Set the device to vibrate first, and thenplay a ringtone to alert you to events.Touch sounds● : Set the device to sound when you select anapplication or option.Screen lock sounds● : Set the device to sound when youlock or unlock the touch screen.Vibrate on touch● : Set the device to vibrate when you selectan application or option.