Contents10Display ................................................................................................ 130Storage ............................................................................................... 131Power saving mode ...................................................................... 131Battery ................................................................................................ 131Application manager ................................................................... 131Location services ............................................................................ 132Lock screen ....................................................................................... 132Security ............................................................................................... 133Language and input ..................................................................... 134Cloud ................................................................................................... 137Back up and reset ........................................................................... 137Add account ..................................................................................... 137Accessory ........................................................................................... 137Date and time .................................................................................. 138Accessibility ...................................................................................... 138Developer options ......................................................................... 140About device .................................................................................... 141Troubleshooting .............................................. 142Index ................................................................. 147