Settings100Turn off Bluetooth● : Deactivate the Bluetooth feature whennot in use.Turn off GPS● : Deactivate the GPS feature when not in use.Turn off Sync● : Turn off sync when the device is notsynchronising with a web server.Brightness● : Activate the brightness setting for Powersaving mode.Brightness● : Set the brightness level for Power saving mode.Timeout● : Set the length of time the device waits beforeturning off the display’s backlight.Power saving tips● : Learn how to reduce batteryconsumption.Location and securityChange the settings for securing your device and the SIM orUSIM card, and GPS functionality.Use wireless networks● : Set to use WLAN and/or mobilenetworks for finding your location.Use GPS satellites● : Set to use the GPS satellite for findingyour location.Use location for Google Search● : Set the device to useyour current location for Google search and other Googleservices.Configure lock screen● : Set how to unlock the screen.Off- : Disable the screen lock.Unsecure- : Set to use the screen lock without a PIN,password, or pattern.Pattern- : Set an unlock pattern to unlock the screen.PIN- : Set a PIN (numeric) to unlock the screen.Password- : Set a password (alphanumeric) to unlock thescreen.Owner information● : Edit the text you want to display onthe screen in Screen lock mode.