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Set up SIM card lock
Prevent another user from using your SIM card to make
unauthorized calls or from accessing information stored on
your SIM card by protecting the information using a PIN code.
When enabled, your tablet will ask for a PIN number each time
you use the tablet. Using this option you can also change your
SIM PIN number.
1. From a Home screen, touch
Apps
➔
Settings
➔
Security
.
2. Tap
Set up SIM card lock
.
3. Tap
Lock S M card
, enter your SIM PIN code, then tap
OK
.
Note:
You must activate Lock SIM card before you can change
your SIM PIN code.
4. Tap
Change S M P N
.
5. Enter your old SIM PIN code and tap
OK
.
6. Enter your new SIM PIN code and tap
OK
.
7. Re-type your new SIM PIN code and tap
OK
.
Make passwords visible
When enabled, password characters display briefly as you
touch them while entering passwords.
1. From a Home screen, touch
Apps
➔
Settings
➔
Security
.
2. Touch
Make passwords visible
to enable or disable brief
displays of password characters.
When enabled, a check mark appears in the check
box.
Device Administrators
To add or remove device administrators:
1. From a Home screen, touch
Apps
➔
Settings
➔
Security
.
2. Touch
Device administrators
.
Unknown Sources
To enable or disable installation of non-Google Play
applications:
1. From a Home screen, touch
Apps
➔
Settings
➔
Security
.
2. Touch
Unknown sources.
An informational pop-up displays.
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