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Screen unlock pattern: Create a pattern you will be asked to draw before your
screen will unlock. You can select to make the pattern visible or invisible as you
draw it.
SIM card lock settings: Lock your SIM card for extra security. You can also
change your SIM card PIN from this screen. If you don’t know your SIM PIN,
you can obtain it from your wireless operator.
Visible passwords: Select to have your password display as you type it.
Unknown sources: Select this check box if you want the ability to download
applications from the Web. With this check box not selected, you will only be
able to download applications from Android Market. To ensure your personal
data and phone remain secure; it is recommended you not select this check box.
Accounts
Turn on/off synchronization for all services.
Backup & reset
You can select to reset your phone to factory settings. This will erase all your
data from the phone and require you to sign in and go through the setup screens
to use any of the applications.
3.4 System
Date & time
Set time, time zone, and date: Use Automatic unless you need to override the
network values.
Time format: Select from 12 or 24 hour formats.
Date format: Select from a variety of formats.
Developer options
If you are an application developer, you may be interested in these settings:
USB debugging: If you want be able to communicate with your phone directly
via USB, select ‘USB debugging’ check box.
Stay awake: To prevent your phone from sleeping while charging (via power
adapter or USB), select ‘Stay awake’ check box.
About phone
View your phone Status: This screen lists a variety of information, including
