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also monitor how applications and system resources consume battery power.
To guarantee the optimal performance of your battery, please stick to the following rules:
Turn off radios that you aren’t using. If you aren’t using Wi-Fi, Bluetooth, or GPRS, use the Setting
application to turn them off.
Turn down screen brightness and set a shorter screen timeout.
If you don’t need them, turn off automatic syncing for Gmail, Calendar, Contacts, and other
applications.
Note: On the Home screen, press Menu iconand touch Settings >Battery .The Battery Use screen lists
the applications that have been using the battery,from greatest to least battery use.The top of the screen
displays the time since you were last connected to a chargeror, if you’re currently connected to one, how
long you were running on batterypower before you connected to a charger.Then each application or service
that used battery power during that time isdisplayed, in order of the amount of power they used.Touch an
application in the Battery Use screen to learn details about its powerconsumption.Different applications
offer different kinds of information.
3.3
Linking to the Networks and devices
Your phone can connect to a variety of networks and devices, includingmobile networks for voice and
data transmission, Wi-Fi data networks,and Bluetooth devices, such as headsets. You can also connect
yourphone to a computer, to transfer files from your phone’s SD card andshare your phone’s mobile data
connection via USB.
Connecting to mobile networks
When you assemble your phone with a SIM card,your phone is configured to use your provider’s mobile
networks for voice calls and fortransmitting data.
Connecting to Wi-Fi networks
Wi-Fi is a wireless networking technology that can provide Internet access atdistances of up to 100
meters, depending on the Wi-Fi router and your surroundings.
Touch Settings>Wireless & networks >Wi-Fi.Check Wi-Fi to turn it on.The phone scans for available
Wi-Fi networks and displays the names of those itfinds. Secured networks are indicated with a Lock icon.
Note: If the phone finds a network that you connected to previously, it connects to it.
Touch a network to connect to it.If the network is open, you are prompted to confirm that you want to
connect tothat network by touching Connect.If the network is secured, you’re prompted to enter a password
or othercredentials.
Connecting to Bluetooth devices
Bluetooth is a short-range wireless communications technology that devices can useto exchange
information over a distance of about 8 meters. The most commonBluetooth devices are headphones for
making calls or listening to music, hands-freekits for cars, and other portable devices, including laptops and
cell phones.
Touch Settings>Wireless & networks >Bluetooth.Check Bluetooth to turn it on.
You must pair your phone with a device before you can connect to it. Once you pairyour phone with a
device, they stay paired unless you unpair them.
Your phone scans for and displays the IDs of all available Bluetooth devices inrange.If the device you
want to pair with isn’t in the list, make it discoverable.
Connecting to a computer via USB
You can connect your phone to a computer with a USB cable, to transfer music,pictures, and other files