2A. Device Basics 9

Device Basics
Key Functions
1. Proximity Sensor automatically decreases the
display brightness when you hold the device near
your face. This prevents you from unintentionally
activating device functions during a call.
2. Light Sensor automatically brightens the display
when you are in sunlight or a bright room and
dims it in darker places.
3. Earpiece lets you hear the caller and automated
prompts.
4. Display Screens (upper and lower) display all the
information needed to operate your device. Use
finger gestures to navigate and interact with items
on the screen.
5. Home Keys ( ) return you to the Home screen.
Tap and hold to show the recently used applications.
6. Menu Keys ( ) let you open the menus of the
current screen or application.
7. Back Keys ( ) return you to the previous screen or
closes the dialog box.
8. Microphone allows other callers to hear you clearly
when you are speaking to them.
9. LED Indicator shows your device’s battery status. It
also flashes for incoming calls or pending
notifications.
10. Headset Jack allows you to plug in an optional
headset for convenient, hands-free conversations.
CAUTION! Inserting an accessory into the incorrect
jack may damage the device.
11. microSD Card Slot allows you to insert a microSD
card to support external memory.
15. Camera Lens
16. Camera Flash
14. Charger/Accessory
Jack
13. Volume Button
10. Headset Jack
12. Power Button
11. microSD Card Slot 17. Speaker
18. Internal Antennas
Note: Your device comes with the microSD card preinstalled.