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following:
1. Open Android Settings and touch Display
➙
Sleep.
2. Select the duration you prefer.
For the longest battery life between charges, select the shortest convenient
duration.
Locking the tablet screen
To protect your tablet data against unauthorized access, lock the screen and
set an unlock mode for unlocking the screen. To enable the screen unlock
function and set up a password, PIN, or a pattern to unlock the screen, do the
following:
1. Open the Settings screen.
2. Touch and choose Security and, then, Screen Lock.
A tab called “
Choose screen Lock
” appears, and you will see several options
described as below.
None
The screen doesn’t lock. The main Home screen
appears directly whenever you turn on your tablet.
Slide
This activates the standard and default sliding lock
screen.
Face
Unlock
This allows you to unlock your tablet by just looking at
your tablet.
Pattern
This activates a pattern-tracing screen. You are required
to trace the pattern in a specific order to unlock your
tablet.
PIN
You are required to type a personal identification
number (PIN) to unlock your tablet.
Password
You are required to type a password to unlock your
tablet.