Settings, Wireless & networks, Sim card settings – Nubia N1 (NX541J) User Manual
Page 21: Note, Airplane mode, Tips, Sms app

20
Settings
Wireless & Networks
SIM card settings
If you have inserted two SIM cards, your phone shall automatically switch to Dual Card mode.
1. On the home screen, select "
Settings
" > "
SIM card
settings
".
2. Select one SIM card and turn on "
Mobile
data
". You can also select "
Network Type
" and touch "
More
"
for detailed settings.
Note:
When two SIM cards are inserted, one card is used for data service and the other card is used for GSM
only.
You can make HD voice and video calls after turning on "
VOLTE
". This function requires the support of
telecom operators.
Airplane mode
After the Airplane mode is activated, your phone will close all wireless connections.
1. On the home screen, select "
Settings
" > "
Other
wireless settings
".
2. Touch the switch icon next to "
Airplane mode
".
Tips:
You can pull down the notification panel to show the Shortcuts panel, and touch "
Airplane mode
" to
enable or disable the airplane mode.
SMS app
1. On the home screen, select "
Settings
" > "
Other
wireless settings
".
2.
Touch
"
SMS app
" and select "
Hangouts
" or "
Messaging
" to send out a message.
VPN
You can create a Virtual Private Network and securely connect to the VPN through the Internet.
1. On the home screen, select "
Settings
" > "
Other
wireless settings
" > "
VPN
".
2. Set a lock screen PIN or password.
3. Touch "
Add
".
4. Enter the VPN server's name, select the server's type and enter the server's IP address.
5. Tick "
PPP encryption (MPPE)
" or cancel the tick.
6. Touch "
OK
".
7. Touch the connection you have just created, enter the username and password, and touch
"
Connect
".