18Chapter 3 . Network and Share
Install certificates
1. On the Home screen, tap Settings > Network & internet > WLAN. Swipe up to the bottom of
available WLAN networks list and tap WLAN preferences > Advanced.
2. Tap Install certificates and follow the onscreen instructions to install certificates you need.
Configure WLAN
On the Home screen, tap Settings > Network & internet > WLAN. Swipe up to the bottom of
available WLAN networks list and tap WLAN preferences.
You can configure these settings:
• Manage network notification: Switch on Open network notification, and your phone will notify
you when a public network is available.
• View your MAC and IP address: Tap Advanced to view your MAC address and IP address.
3. 2 Mobile data
Enable mobile data to access the internet, when WLAN is not available.
Enable mobile data
You can enable mobile data in following ways:
• Swipe down twice from the status bar to open the Quick Settings Panel and then tap Mobile
data to enable mobile data.
• Go to Settings > Network & internet > Mobile network, select a SIM card if you have inserted
two cards, and then turn on Mobile data switch.
Note:
1. Before using mobile data, ensure that you have a data plan with your carrier to avoid incurring excessive
data charges.
2. If a WLAN connection to the internet isn’t available, apps and services may transfer data over your
carrier’s cellular network, which may result in additional fees. Contact your carrier for information about
you cellular data plan rates.
3. When you don’t need to access the internet, disable mobile data to save battery power and reduce data
usage.
Configure mobile data
On the Home screen, tap Settings > Network & internet > Mobile network, you can:
• Enable mobile data: Switch on Mobile data to enable it.
• Manage data roaming: Switch on Roaming to enable your phone to connect to data services
when roaming.
Note: Connecting data services when roaming may result in additional fees.
• App data usage: Tap to view mobile data usage off apps.
• Mobile data always online: Turn on the switch to use more battery power on some mobile
netwroks.
• Enhance 4G LTE Mode: Turn on the switch to use LTE services to improve voice and other
communications.
• Preferred network type: Choose 4G, 3G or 2G network.
• Carrier video calling: Turn on the switch to enable carrier video calling.
• Select the VoLTE video resolution: Tap to select the VoLTE video resolution.
• Automatically select network: Tap to choose APNs.