59SettingsWireless & networksSetting Airplane mode1. Tap Settings > Wireless & networks > Airplane mode. If you turn onAirplane mode, Wi-Fi, Bluetooth and GPS functions are turned off atonce. However, you can turn on each function for your preference.2. Tap Airplane mode again to reactivate other functions.Setting Wi-Fi networks1. Tap Settings > Wireless & networks.2. Tap Wi-Fi settings to manage the wireless network. Refer to page 21 formore information.Setting Bluetooth1. Tap Settings > Wireless & networks.2. Tap Bluetooth settings to manage the wireless technology option.Setting VPN settings1. Tap Settings > Wireless & networks > VPN settings > Add VPN.2. Tap Add PPTP VPN, Add L2TP VPN, Add L2TP/IPSec PSK VPN or AddL2TP/IPSec CRT VPN.3. Set up the network by entering necessary information.Setting mobile networks1. Tap Settings > Wireless & networks > Mobile networks.2. Tap Data Services to allow access to data over mobile network. It isselected by default.3. Tap International Data Roaming to connect to data services whenroaming and tap OK.Note You may incur significant roaming charges.4. Tap Access Point Names and tap the desired access point names toedit. You can add a new APN by pressing ! and tapping New APN.5. Tap Network operators > Default Setup > Automatic or Manual ifyou want to search for networks and select one.SoundSetting to vibrate1. Tap Settings > Sound > Vibrate.2. Tap Always, Never, Only in Silent mode or Only when not in Silentmode.Setting volume1. Tap Settings > Sound > Volume.2. Adjust the volume for ringtone, notifications and alarm.3. Tap OK.Setting notification ringtone1. Tap Settings > Sound > Notification ringtone.2. Select and tap a ringtone for notifications.3. Tap OK.