Vodafone Smart mini Benutzerhandbuch

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To access this function, touch the Application tab from the Home screen, 
and touch Settings on applications list, or you can also press and hold the 
Multitask key from the Home screen and touch System settings.

Using Wi-Fi you can now surf the Internet without using your SIM card 
whenever you are in range of a wireless network. The only thing you have to do 
is to enter the Wi-Fi settings screen and configure an access point to connect 
your phone to the wireless network.

For detailed instructions on using Wi-Fi, please refer to section 6.1.2 Wi-Fi.

Bluetooth allows your phone to exchange data (videos, images, music and 
more) over short distances with another Bluetooth supported device (phone, 
computer, printer, headset, car kit and more).

For more information on Bluetooth, please refer to section 6.3 Connecting to 
Bluetooth devices.

You may check the details of data usage, as well you can set mobile data limit 
to control.

Mark the check box of Airplane mode to simultaneously disable all wireless 
connections including Wi-Fi, Bluetooth and more.

A mobile virtual private network (mobile VPN or mVPN) provides mobile devices 
with access to network resources and software applications on their home 
network, when they connect via other wireless or wired networks. Mobile VPNs 
are used in environments where workers need to 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 cannot 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 of VPN, please refer to section 6.6 Connecting to 
virtual private networks.