Encrypt & Decrypt Data
You can encrypt your phone and the SD card installed in your phone. For both encryption and
decryption, you need to enter a PIN or password for the screen lock. To set up a PIN or password,
see
Screen
Lock.
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
Encrypt & Decrypt 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
>
> Settings
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
>
> Settings
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.
Settings
> Security.
> Security > Device administrators.
>
> Settings
> Security >
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