46Chapter 16 . Settings
2. You can configure whether you want to select a SIM card manually or use the default SIM card each time you make a
call. If you choose to use the default SIMcard, your phone will use that SIM card for all outgoing calls.
16. 2 Airplane mode
Wireless devices may interfere with an airplane’s flight system. Power off your phone or switch to airplane
mode when you are on a flight.
After you enable airplane mode, all of your phone’s network features will be disabled. You will not be able
to make or receive calls, use mobile data, Bluetooth or Wi-Fi. However, you will still be able to play music,
watch videos, and use applications that do not require an Internet connection. When airplane mode is on,
is displayed in the status bar.
Use one of the following methods to enable or disable airplane mode:
• Go to
Settings -> More connection settings and then turn the Airplane mode switch on.
• Swipe down from the status bar( except for the Lock screen) twice to open the Quick settings panel, and then
tap
Airplane mode to turn it on.
• Press and hold the Power button, and then tap Airplane mode.
16. 3 Display
Configure the display settings to personalize your phone. For example, you can change the wallpaper, font size,
and screen-off time.
1. On the Home screen, tap
Settings -> Display.
2. You can configure the following settings.
• Brightness level: Your phone will automatically adjust the screen brightness according to the ambient
brightness. You can also use the brightness slider to manually adjust the brightness.
• Adaptive brightness: Tap to enable optimizing brightness level for available light.
• Color temperature: Adjust the color temperature for images displayed on your phone. Select a warmer
color temperature for a softer look and a cooler color temperature for a sharper image. Use the slider to
manually adjust the color temperature.
• Wallpaper: Set the lock screen and Home screen wallpapers. You can also go to
Themes -> ->
Wallpapers to set the screen papers.
• LED indicator: If Notification indicator is enabled, the status indicator will blink when you receive
notifications. If Charging indicator is enabled, the status indicator will be on when your phone is
charging.
• Font size: Set the font size.
• Automatically lock: Make the phone lock automatically after a certaint time of inacticity.
• Auto-rotate screen: If this option is enabled, your screen’s orientation will switch automatically
depending on how you hold your phone when performing certain operations, such as browsing a web
page, viewing a picture, or writing a message.
• Cast: Share your phone screen with other devices.
16. 4 Sounds and vibration
Change the incoming call and message ringtones or set the system alert sound and vibration effects.
1. On the Home screen, tap
Settings -> Sounds and vibration.
2. You can configure the following settings.
• Volume: Adjust the ringtone, media and alarm volume.
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