57Protect
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, tap 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 
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.
To see network settings options, tap Apps  >
Settings
 
>
More
 >
Mobile networks
.
Airplane mode
Use airplane mode to turn off all your wireless 
connections—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.
Protect
Quick start: Protect your phone
Make sure your information is protected in case your phone is 
lost or stolen.
Find it: Apps  >
Settings
 >
Security & Screen Lock
The easiest way to protect your phone is to use 
Screen lock
. 
You can choose facial recognition, a pattern, PIN, or other 
options to unlock your phone.
For a screen lock, you can use 
facial recognition, a pattern, 
password, or other options.
Add some info to show
on your lock screen.
Encrypt the data stored
on your phone.