To change the connection speeds fordifferent connection types, select fromthe following:GPRS connection bitrate — GPRSpacket data connections3G connection bitrate — 3G packetdata connectionsWi-Fi connection bitrate — WLANconnectionsThe quality of the radio broadcastdepends on the selected connectionspeed. The higher the speed, the betterthe quality. To avoid buffering, use thehighest quality only with high speedconnections.Security and data managementManage the data and software on yourdevice, and take care of the security ofthe device and its contents.Important: Your device can onlysupport one antivirus application.Having more than one application withantivirus functionality could affectperformance and operation or cause thedevice to stop functioning.Lock the deviceThe lock code protects your deviceagainst unauthorised use. The presetcode is 12345.To lock the device, in the home screen,press the power key, and select Lockphone.To unlock your device, select Unlock >OK, enter the lock code, and select OK.To change the lock code, select Menu >Ctrl. panel > Settings and General >Security > Phone and SIM card. Enterthe old code and then the new codetwice. A minimum of 6 characters isrequired, and numbers, symbols, andupper and lower case letters can beused.Keep the lock code secret and in a safeplace separate from your device. If youforget the lock code and your device islocked, your device will require service.Additional charges may apply, and allthe personal data in your device may bedeleted. For more information, contacta Nokia Care point or your device dealer.136 Security and data management© 2010 Nokia. All rights reserved.
