information, contact your serviceprovider.• The barring password is requiredwhen using the call barring serviceto restrict calls to and from yourphone (network service).Remote lockYou can lock your device from anotherdevice using a text message. To enableyour device to be locked remotely, andto define the lock message to be used,select > Settings > Settings >General > Security and Phone andSIM card > Remote phone locking.When you have entered the message,select OK. The message can be up to 20characters long.To lock your device, send the lockmessage as a text message to yourmobile phone number. To unlock yourdevice later, select Unlock, and enterthe lock code.InstallationsSelect > Applications >Installations.You can find additional applicationsand download applications into thisfolder.Important: Only install and useapplications and other software fromtrusted sources, such as applicationsthat are Symbian Signed or havepassed the Java Verified™ testing.Connect a compatible headsetDo not connect products that create anoutput signal as this may causedamage to the device. Do not connectany voltage source to the Nokia AVConnector.When connecting any external deviceor any headset, other than thoseapproved by Nokia for use with thisdevice, to the Nokia AV Connector, payspecial attention to volume levels.Connect a USB data cableConnect a compatible USB data cable tothe USB connector.To select the default USB connectionmode or change the active mode,select > Settings andConnectivity > USB > USBconnection mode, and select thedesired mode.To select whether the default mode isactivated automatically, select Ask onconnection.16 Your devicewww.nokia.com/support© 2009 Nokia. All rights reserved.