●Check the Running Services and close any unnecessary applications.
●Use the Task Manager feature to end/shutdown background applications that are still running. These minimized applications can, over time, cause your device to “slow down”.
●Animated wallpapers use processing power, memory, and more power. Change your Live Wallpaper to a non‑animated Wallpaper gallery or Gallery image.
Switching the Device On or Off
Once the device has been configured, you will not be prompted with setup screens again.
To turn the device on:
►Press and hold 
Power/Lock until the device switches on.
The device searches for your network and after finding it, you can make or receive calls.
Note: The display language is preset to English at the factory. To change the language, use the Language menu. For more information, refer to “Language and Input” on page 268.
To turn the device off:
1.Press and hold 
Power/Lock until the Device options screen appears.
2.Tap 
Power off.
