This opens a set of screens that guide you through drawing a screen unlock pattern. You can set a PIN or Password instead of a Pattern, or leave the option as None. TIP! To lock your screen by using the Pattern Lock 1 The first time you do this, a short tutorial about creating an unlock pattern appears. 2 You will be prompted to draw and redraw your own pattern. The next time you turn on your phone or wake up the screen, you will be prompted to draw your unlock pattern to unlock the screen. < SIM card lock > Set up SIM card lock - Set up SIM card lock or change SIM PIN. < Passwords > Visible passwords - Select to show passwords as you type them, or deselect to hide them as you type them. < Device administration > Select device administrators - Add or remove device administrators. 83 Settings < Credential storage > Use secure credentials - Select to allow applications to access your phone’s encrypted store of secure certificates, related passwords and other credentials. Credential storage is used to establish some kinds of VPN and Wi-Fi connections. If you have not set a credential storage password, this setting is greyed out. Install from SD card - Allows you to install encrypted certificates from a microSD card. Set password - Allows you to set or change the password for your secure credential storage. Your password must have at least eight characters. Clear storage - Deletes all secure certificates and related credentials and erases the secure storage’s own password. Applications Unknown sources - Permits installation of applications you get from websites, E-mail or other locations than Android Market. A WARNING Depending on the applications you install, the mobile phone may not operate correctly and could be illegally used to establish your location and gain access to personal information via the Internet. To protect your phone and personal data, only download applications from trusted sources such as Android Market. Manage applications - Manage and remove installed applications. Running services - Allows you to view and control services and applications that are currently running. This option displays what 84 processes each running service needs, and how much memory it is using. Storage use - View storage used by applications. Battery use - See what has been using the battery. Development - Allows you to set options for application development, such as USB debugging, Stay awake and Allow mock locations. Accounts & sync Background data - Permits applications to synchronise data in the background, whether or not you are actively using them. Un-selecting this setting can save battery power, and will lower (but not eliminate) data use. Auto-sync - Permits applications to synchronise, send and receive data on their own schedule. < Social+ update settings > Social+ settings - Allows you to set refresh interval of all Social Network application present on the phone. < Manage accounts > List of all Google accounts and other accounts you’ve added to your phone. If you touch an account in this screen, its account screen will open. Privacy < Personal data > Factory data reset - Erases all your personal data from internal phone storage, including information about your Google account and any other accounts, your system/application data and settings, any downloaded applications and your DRM licence. Resetting the phone will not delete or restore any system software updates you have downloaded or any files (e.g., photos and music 85 Settings files) on your microSD card or internal SD card. If you reset the phone this way, you will be prompted to re-enter the same information as when you first started Android. SD card & phone storage < SD card > Check total space and available space. Touch Unmount SD card to remove it safely. Format SD card, if you want to delete all data from the microSD card. You must unmount a microSD card before you format it. < Internal phone storage > Check the Available space. Language & keyboard Use the Language & keyboard settings to select the language and region for the text on your phone and for configuring the on-screen keyboard, including words you’ve added to its dictionary. Voice input & output < Voice input > Voice recogniser settings - Use the Voice recogniser settings to configure the Android voice input feature. • Language: Opens a screen where you can set the language you use when entering text by speaking. • SafeSearch: Opens a dialogue box where you can set whether you want Google SafeSearch filter to block some results. • Block offensive words: When un-selected, Google voice recognition will recognise and transcribe words many people consider offensive, when you enter text by speaking. When selected, Google voice recognition replaces those words in transcriptions with a place holder comprised of hash symbols (#). 86 < Voice output > Text-to-speech settings - Use the Text-to-speech settings to c...