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To enable data roaming, tap Data roaming. You can access data services when you are outside
the service area of your carrier.
To select the 2G, 3G, or 4G network, tap Preferred network type. Before accessing the 4G network
services, ensure that you have installed the SIM card with 4G services enabled.
To enable the Voice over LTE (VoLTE) feature, tap Enhanced 4G LTE Mode. This feature allows the
radio to use LTE services to improve voice communications.
4.3.2
Monitoring Data Usage
1.
Tap
.
2.
Under the Wireless & networks pane, tap Data usage.
3.
Do either of the following:
To check data usage, tap Cellular data usage.
To avoid excessive data usage, tap Billing cycle, and then set the billing cycle, data warning, and
data limit.
4.4
WLAN
With successful WLAN connection, you can visit the Internet or shared media from other devices in the
network.
To enable or disable the WLAN, tap
, tap WLAN under the Wireless & networks pane, and then tap Off
or On.
If you select an open network, the radio automatically connects to it. If you select a secure network, you
need to enter a password before connection.
4.4.1
Adding a WLAN Network
To add a WLAN network not displayed on the network list, swipe to the bottom of the list, tap Add network,
and then enter the network name.
For more network security protection, you can set the radio to access the network through different
protocols. To use a proxy server, set an IP address, or obtain an IP address automatically, go to Advanced
options > Proxy or IP settings.
