User's Guide

Settings 65
Warning: Refrain from using the phone, including removing the battery and the SD card,
during the encryption process as some or all of your data will be lost if the
encryption process is interrupted.
Passwords
You can hide your password or PIN number as you type it.
1. Touch
Home
>
Menu
>
System settings
>
Security
.
2. Clear the
Make passwords visible
check box.
Device Administrators
You can disable the authority to be a device administrator of certain applications. If disabled,
you will typically lose some functionality in those applications, such as the ability to sync new
email or calendar events to your phone.
1. Touch
Home
>
Menu
>
System settings
>
Security
>
Device
administrators
.
2. Touch an application you want to disable the authority to be a device administrator.
Unknown Sources
Follow the steps below to install non-Play Store applications.
1. Touch
Home
>
Menu
>
System settings
>
Security
.
2. Touch
Unknown sources
>
OK
. (A check mark indicates this feature is enabled.)
Credential Storage
You can see the trusted credentials on your phone’s system.
1. Touch
Home
>
Menu
>
System settings
>
Security
>
Trusted credentials
.
2. Touch an item to read the information.
You can install encrypted certificates from the SD card.
1. Touch
Home
>
Menu
>
System settings
>
Security
>
Install from SD card
.
2. Touch an available certificate.
3. Follow the onscreen instructions.
You can remove all the credentials on your phone.