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Sony 1264-0770, 1264-0774, 1264-0776 Controlling data usage

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To configure APN settings manually

1From the Home screen, tap .

2Find and tap Settings > More… > Mobile networks.

3Tap Access Point Names, then press .

4Tap New APN.

5Tap Name and enter the name of the network profile you want to create.

6Tap APN and enter the access point name.

7Enter all other information required by your network operator.

8Press and tap Save .

Contact your network operator for detailed information about your network settings.

To reset the default Internet settings

1From your Home screen, tap .

2Tap Settings > More… > Mobile networks.

3Tap Access Point Names, then press .

4Tap Reset to default.

Controlling data usage

Keep track of and control the amount of data transferred to and from your phone

during a given period. For example, you can set data usage warnings and limits for

your phone to avoid additional charges. You can also limit the amount of data used

by individual applications.

Adjusting data usage settings can help you keep greater control over data usage but cannot

guarantee the prevention of additional charges.

To access data usage settings

1From your Home screen, tap .

2Find and tap Settings > Data usage.

To turn on data traffic

1From your Home screen, tap .

2Find and tap Settings > Data usage.

3If the mobile data network connection is not turned on, tap OFF beside Mobile

data so that OFF changes to ON.

You can also turn on data traffic by marking the Data enabled checkbox under Settings >

More… > Mobile networks.

To set a data usage warning

1Make sure that you have turned on data traffic.

2From your Home screen, tap .

3Find and tap Settings > Data usage.

4To set the warning level, drag the lines to the desired values. You receive a

warning notification when the amount of data traffic approaches the level you

set.

To set a data usage limit

1Make sure that you have turned on data traffic.

2From your Home screen, tap .

3Find and tap Settings > Data usage.

4Mark the Set mobile data limit checkbox if it is not marked, then tap OK.

5To set the data usage limit, drag the lines to the desired values.

Once your data usage reaches the set limit, data traffic on your phone will be turned off

automatically.

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Contents

Main Contents Getting started...............................................................................8 Getting to know your phone.........................................................12 Calling..........................................................................................35 Contacts ......................................................................................40 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 Page Application bar Using the Gesture input function to write words Phonepad Using the Phonepad Keyboard and Phonepad settings Text input settings Customising your phone Adjusting the volume Time and date Ringtone settings Screen settings Phone language Airplane 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 Page 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 Dialling 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 synchronisation accounts Contacts screen overview Managing your contacts Avoiding duplicate entries in the Contacts application Groups Favourites 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 Email Using email Page Page Using email accounts Gmail and other Google services 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 organised Calendar Alarm clock Page Page Scanning with the NeoReader application NeoReader application menu overview Synchronising data on your phone Synchronising with Google Synchronising your corporate email, calendar and contacts Synchronising with Facebook inside your Xperia phone Synchronising 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 Plug-in 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 favourite 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 Self-timer. Geotagging 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 Page 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