43Connect & transfer
that use a lot of data might also use a lot of battery
power.
The data usage screen shows information and settings
for data transferred over your service provider's mobile
network.
Virtual Private Networks (VPN)
A VPN lets you access files on a secured network (like
an office network with a firewall). Contact the network
administrator to ask for VPN settings, and any additional
apps or other requirements.
To enter VPN settings, touch Apps >
Settings
>
More...
>
VPN
. Choose the type of VPN and enter
settings from the network administrator. The network is
stored in the
VPN
list so that you can select it whenever
you need to connect.
Mobile network
You should not need to change any network settings.
Contact your service provider for help.
Touch Apps >
Settings
>
More...
>
Mobile networks
to see network settings options.
Airplane mode
Use airplane mode to turn all your wireless connections
off—useful when flying. Press and hold the Power key
>
Airplane mode
.
Note: When you select airplane mode, all wireless
services are disabled. You can then turn Wi-Fi and/or
Bluetooth power back on, if permitted by your airline.
Other wireless voice and data services (such as calls and
text messages) remain off in airplane mode. Emergency
calls to your region's emergency number can still be
made.