Operation Manual

54Chapter 13 .
Settings
2. Toggle the switch next to the SIM card you want to manage to enable or disable the SIM card. Disabled
SIM cards cannot be used to make calls, send messages, or access the Internet.
3. Tap SIM slot1 or SIM slot 2 to rename your SIM card to make it easier to identify (Each SIM card is named
after the carrier by default). You can also choose a displayed SIM color and view the carrier and phone
number. After configuration, tap OK to save.
4. Choose a default SIM card for cellular data, calls or SMS messages. If you have chosen a default SIM card,
your phone will use that SIM card for all outgoing calls. You can also select a SIM card manually each time
you make a call by tapping Calls -> Ask every time.
Note:
Your phone supports only dual card dual standby single pass, which means you cannot use both SIM cards for calls or data
services simultaneously.
Select a default SIM for cellular data
Select a default SIM for SMS messages
Select a default SIM for phone calls
Toggle the switch to enable or disable the SIM card
13. 3 Airplane mode
To avoid interference, please enable airplane mode or power off your phone when you are on board a plane.
When enabled, call, mobile data, Bluetooth, and Wi-Fi will be disabled. You can enable Bluetooth and Wi-Fi
manually, and you can still be able to play music, watch videos and use applications that do not require an
Internet connection.
Use any of the following methods to enable or disable airplane mode:
• Use the shortcut switch: Swipe down from the status bar to open the Quick Settings Panel, tap to display
all shortcut switches, tap Airplane mode to switch on (or touch and hold it to enter the Wireless &
networks screen and switch on Airplane mode). When airplane mode is enabled, will display in the
status bar.
• Go to Settings: Go to Settings -> More and then switch on Airplane mode. When airplane mode is
enabled, will display in the status bar.
13. 4 VPN
A VPN (virtual private network) is a secure connection that allows you to send and receive data across shared or
public networks. You can use a VPN to connect to your company network and email server.
Connect to a VPN