Sony 1264-0772, 1264-0773, 1264-0774, 1264-0775, ST21A, ST21i Setting a screen lock

To unblock a locked SIM card

1When SIM card locked appears, enter the PUK code.

2Enter a new PIN code and tap OK.

If you enter an incorrect PUK code too many times, the SIM card becomes blocked. If this

happens, contact your service provider to get a new SIM card.

Setting a screen lock

To set a screen lock

1From your Home screen, tap > Settings > Security > Screen lock.

2Select an option.

It is very important that you remember your screen unlock pattern, PIN or password. If you

forget this information, it may not be possible to restore important data such as contacts and

messages. Refer to Sony Customer support for more information.

To create a screen unlock pattern

1From the Home screen, tap .

2Find and tap Settings > Security > Screen lock > Pattern.

3Follow the instructions in your phone. You are asked to select a security question

that will be used to unlock the phone if you forget your screen unlock pattern.

To unlock the screen using a screen unlock pattern

1Activate the screen.

2Draw your screen unlock pattern.

If the unlock pattern you draw on the screen is rejected five times in a row, you can select to

either wait 30 seconds and then try again, or to answer the security question you have

selected.

To change the screen unlock pattern

1From your Home screen, tap .

2Find and tap Settings > Security > Screen lock.

3Draw your screen unlock pattern.

4Tap Pattern.

5Follow the instructions in your phone.

To disable the screen unlock pattern

1From your Home screen, tap > Settings > Security > Screen lock.

2Draw the screen unlock pattern.

3Tap Slide.

To create a screen unlock PIN

1From your Home screen, tap > Settings > Security > Screen lock > PIN.

2Enter a numeric PIN.

3If necessary, tap to minimize the keyboard.

4Tap Continue.

5Re-enter and confirm your PIN.

6If necessary, tap to minimize the keyboard.

7Tap OK.

To disable the screen unlock PIN

1From your Home screen, tap > Settings > Security > Screen lock.

2Enter your PIN, then tap Next.

3Tap Slide.

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Contents

Main Contents Getting started...............................................................................8 Getting to know your phone.........................................................12 Calling..........................................................................................34 Contacts ......................................................................................39 Page Page Page Important information Android what and why? Applications Getting started Assembly Page Turning the phone on and off Setup guide Screen lock Accounts and services Google account Microsoft Exchange ActiveSync account Facebook account SyncML account Getting to know your phone Phone overview Using the keys Battery Charging the battery Battery LED status Improving battery performance Using the touchscreen Zooming Scrolling Sensors Home screen Widgets Timescape Friends widget Timescape Share widget Rearranging your Home screen Changing the background of your Home screen Accessing and using applications Application screen Opening and closing applications Recently used applications window Application menu Rearranging your Application screen Status and notifications Checking notifications and ongoing activities Phone settings menu Typing text On-screen keyboard Using the on-screen keyboard Application bar Using the Gesture input function to write words Phonepad Using the Phonepad Keyboard and Phonepad settings Text input settings Customizing your phone Adjusting the volume Time and date Ringtone settings Screen settings Phone language Flight mode Memory Memory card Formatting the memory card Using a headset with your phone Internet and messaging settings Controlling data usage Turning off data traffic Data roaming Network settings Calling Emergency calls Call handling Recent calls Voicemail Multiple calls Conference calls Call settings Barring calls Rejecting a call with a message Forwarding calls Showing or hiding your phone number Fixed Dialing Numbers Contacts Transferring contacts to your new phone Transferring contacts using a PC Using the PC Companion program to transfer contacts Transferring contacts using an Apple Mac computer Transferring contacts using synchronization accounts Contacts screen overview Managing your contacts Avoiding duplicate entries in the Contacts application Groups Favorites Communicating with your contacts The quick contact menu Sharing your contacts Backing up contacts Page Messaging Using text and multimedia messaging Text and multimedia message options E-mail Using e-mail Page Page Using email accounts Gmail and other Google services Page Google Talk Getting started with Google Play Downloading from Google Play Before you download applications Clearing your application data Permissions Installing applications not from Google Play PlayNow service Before you download content Downloading from the PlayNow service Getting organized Calendar Alarm clock Page Page Scanning with the NeoReader application NeoReader application menu overview Synchronizing data on your phone Synchronizing with Google Synchronizing your corporate email, calendar and contacts Synchronizing with Facebook inside your Xperia phone Synchronizing using SyncML Page Connecting to wireless networks Wi-Fi Before using Wi-Fi Advanced Wi-Fi settings Wi-Fi network status Wi-Fi sleep policy Sharing your phones mobile data connection Page Web browser Browsing the web Search and address bar Navigating web pages Managing bookmarks Page Managing text and images Multiple windows Downloading from the web Browser settings Auto-fitting web pages Auto-filling text Plugin settings Music Copying media files to your memory card Using the music player Music player overview Page Music player widget Discovering related audio content Playing music in random order Playlists Page Identifying music using TrackID technology Using TrackID technology results Page Using the FM radio FM radio overview Moving between radio channels Using your favorite radio channels Making a new search for radio channels Switching between the speaker and the handsfree Identifying radio tracks using TrackID Taking photos and recording videos Camera controls overview Adding the geographical position to your photos Using still camera settings Still camera settings overview Scenes Exposure value Metering White balance The white balance setting adjusts the color balance according to the lighting conditions. Self-timer Tips on using the camera Using the video camera Using video camera settings Video camera settings overview Scenes Exposure value Metering White balance Self timer Capturing method Viewing photos and videos in Gallery Working with albums Working with batches of content in Gallery Working with photos in Gallery Viewing your photos on a map Working with videos Page Bluetooth wireless technology Naming your phone Pairing with another Bluetooth device Sending and receiving items using Bluetooth technology Page Connecting your phone to a computer Transferring and handling content using a USB cable Transferring files using Media transfer mode via Wi-Fi PC Companion Media Go Page Using location services to find your position Using GPS Getting the best performance Google Maps Viewing your friends locations with Google Latitude Using Google Maps to get directions Using the Navigation application Locking and protecting your phone IMEI number SIM card protection Setting a screen lock Page Updating your phone Updating your phone wirelessly Updating your phone using a USB cable connection Page Phone settings overview Page Status and notification icons overview Status icons Notification icons Page Application overview Page User support Troubleshooting My phone is not working as expected Resetting the phone I cannot charge the phone No battery charging icon appears when phone starts charging I cannot transfer content between my phone and the computer, when using a USB cable I cannot use Internet-based services Error messages No network coverage Emergency calls only Page Legal information Sony ST21i/ST21a This is an Internet version of this publication. Print only for private use. Index A B C D H I K L M S T U V W