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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.
1. Charge the battery first.
2. With your phone connected to the power source, touch Home
settings > Security > Encrypt data.
3. Select the target to be encrypted from Phone & SD card, Phone, or SD card.
4. Read the message and touch Next.
5. Enter a PIN or password and touch Next.
6. Read the message and touch Encrypt.
Make Passwords Visible
You can hide your password or PIN number as you type it.
1. Touch Home
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
2. Touch an application you want to disable the authority to be a device administrator.
Unknown Sources
Follow the steps below to allow installation of apps from unknown sources.
1. Touch Home
2. Touch Unknown sources > OK.
Credential Storage
These options let you control how your phone accesses and stores secure certificates, passwords,
and other credentials.
Trusted Credentials
You can see the trusted credentials on your phone's system.
1. Touch Home
2. Touch an item to read the information.
Settings
> Menu
> System settings > Security.
> Menu
> System settings > Security > Device administrators.
> Menu
> System settings > Security.
> Menu
> System settings > Security > Trusted credentials.
> Menu
> System
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