85 - Settings 
When you're ready to turn on encryption: 
1.  From the home screen, touch    > 
Settings  > Security > Encrypt
phone. 
2. Read the information about encryption
carefully.
The Encrypt phone button is dimmed if
your battery is not charged or your phone 
is not plugged in. If you change your mind
about encrypting your phone, touch  .
3. Touch Encrypt phone.
4. Enter your lock screen PIN or password
and touch Next.
5. Touch Encrypt phone again.
The encryption process starts and 
displays its progress. Encryption can take 
an hour or more, during which time your
phone may restart several times.
WARNING!
Do not interrupt the encryption process, or 
data may be lost. 
6. When encryption is completed, you're
prompted to enter your PIN or password.
Encrypt SD Card 
After you encrypt your microSDHC card, you 
need to enter a numeric PIN or password to 
decrypt your microSDHC card each time you 
power on your phone. 
1. From the home screen, touch   > 
Settings 
 
> Security.
2. Check Encrypt SD card.
3. Enter your lock screen PIN or password
and touch Next.
4. Read the onscreen attention and touch 
OK.
NOTE: 
If you encrypt your microSDHC card, all the 
data on the card will be erased. And once you 
encrypt the microSDHC card, you must enter 
a numeric PIN or password to decrypt it each 
time you power on your phone. 
Make Passwords Visible 
Select whether or not phone and application 
passwords are visible on the screen as you 
enter them. 
 From the home screen, touch   > 
Settings 
 
> Security and check or 
uncheck Make passwords visible. 
Device Administrators 
You can disable the authority to be a device 
administrator for certain applications. If 
disabled, you will typically lose some authority 
in those applications, such as the ability to 
sync email or calendar events to your phone. 
To select device administrators: 
From the home screen, touch  > Settings 
> Security > Device administrators, 
and then select a device administrator and 
follow the prompts.