User Guide

153
Factory Data Reset Password
You can protect your device from being reset to its factory
defaults by requiring a password.
1. From the Settings screen, touch General tab ➔
Security.
2. Touch Set up/Change password and follow the
prompts.
Set Up SIM Card Lock
As a security measure, you can choose to lock the SIM card,
and require a PIN to use the device.
1. From the Settings screen, touch General tab ➔
Security.
2. Touch Set up SIM card lock for these settings:
•Lock SIM card: Enable to require a PIN be entered to
use the device. Set the PIN.
• Change SIM PIN: Create a PIN for accessing the
SIM card.
Passwords
When enabled, password characters display briefly as you
touch them while entering passwords.
1. From the Settings screen, touch General tab ➔
Security.
2. Touch Make passwords visible to enable the feature.
Device Administration
To add or remove device administrators:
1. From the Settings screen, touch General tab ➔
Security.
2. Touch Device administrators.
To enable or disable installation of non-Google Play
applications.
1. From the Settings screen, touch General tab ➔
Security.
2. Touch Unknown sources.
An informational pop-up displays.
3. Read the message and touch OK to allow installation of
non-Google Play applications.