Saving files ......................................................................................................................................... 32
Printing Files ....................................................................................................................................... 33
Installing software ............................................................................................................................... 33
Cloud storage and file sharing ............................................................................................................ 33
Transferring files ................................................................................................................................. 33
10  Backing up and recovering your data ........................................................................................................... 34
Automatically updating apps ..............................................................................................................  34
Manually updating apps, widgets, and the operating system ............................................................. 34
Back up and reset ..............................................................................................................................  34
Factory data reset ..............................................................................................................................  35
Resetting with the device turned on ................................................................................... 35
Resetting with the device turned off ................................................................................... 35
Starting up using the recovery menu .................................................................................................. 36
Updating the device using an over-the-air (OTA) update ................................................................... 36
Updating the device using a file-based update ..................................................................................  37
Resetting with the device powered off ................................................................................................ 37
11  Managing power ...........................................................................................................................................  38
Running on battery power .................................................................................................................. 38
Factory-sealed battery (select devices only) .....................................................................  38
Charging the battery .......................................................................................................... 38
Conserving battery power .................................................................................................. 38
Running on AC power ........................................................................................................................ 39
Troubleshooting power problems ......................................................................................  39
Powering off (turning off) the device ................................................................................................... 40
12  Using an external or attached keyboard and mouse (select devices only) ................................................... 41
13  Maintenance .................................................................................................................................................  43
Cleaning your device .......................................................................................................................... 43
Cleaning procedures .......................................................................................................... 43
Cleaning the display .......................................................................................... 43
Cleaning the device vents (select devices only) ...............................................  44
Cleaning the keyboard or mouse (select devices only) ..................................... 44
14  Securing your device ....................................................................................................................................  45
Locking and unlocking the device ......................................................................................................  45
Setting a screen lock .......................................................................................................................... 45
Encrypting your device ....................................................................................................................... 45
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