53
keep application sessions open at all times, throughout the working day,
as the user connects via various wireless networks, encounters gaps in
coverage, or suspend-and-resumes their devices to preserve battery life. A
conventional VPN can’t survive such events because the network tunnel
is disrupted, causing applications to disconnect, time out, fail, or even the
computing device itself to crash.
For more information on VPN, refer to "6.5 Connecting to virtual private
networks".
10.1.7 Mobile networks
• Data roaming
Connect to data services when roaming
• Preferred network type
Touch to view/edit preferences.
• Access point names
You can select your preferred network with this menu.
• Network operators
Touch to choose a network operator.
10.2 Device
10.2.1 Display
• Navigation
buttons
Touch to drag an icon to rearrange navigation
buttons
• Lock screen
shortcuts
Touch to turn on/off the lock screen shortcuts
function, and also to set the shortcuts on lock
screen
• Brightness level Touch to adjust the brightness of the screen.
• Night mode Turn on/off the night mode function
• Wallpaper Touch to set the wallpaper.
• Screen mode Touch to set the screen mode.
• Sleep Touch to set screen timeout.
