Screen settings

To adjust the screen brightness

1 From your Home screen, tap .

2Find and tap Settings > Display > Brightness.

3To decrease the screen brightness, drag the slider to the left. To increase it, drag the slider to the right.

4Tap OK.

The brightness level affects your battery performance. For tips on how to improve battery performance, see Improving battery performance on page 14.

To set the screen to vibrate

1 From your Home screen, tap .

2Find and tap Settings > Sound.

3Mark the Vibrate on touch checkbox. The screen now vibrates when you tap soft keys and certain applications.

To adjust the idle time before the screen turns off

1 From your Home screen, tap .

2Find and tap Settings > Display > Sleep.

3Select an option.

To turn off the screen quickly, briefly press the power key .

To keep the screen active while the phone is charging

1 From the Home screen, tap .

2Find and tap Settings > Developer options.

3Mark the Stay awake checkbox.

Phone language

You can select a language to use in your phone.

To change the phone language

1 From your Home screen, tap .

2Find and tap Settings > Language & input > Language.

3Select an option.

If you select the wrong language and cannot read the menu texts, find and tap the Settings icon . Then select the entry beside , and select the first entry in the following menu. You can then select the language you want.

Flight mode

In Airplane mode, your phone's network and radio transceivers are turned off to prevent disturbance to sensitive equipment. However, you can still play games, listen to music, watch videos and other content, as long as all this content is saved on your memory card or internal storage. You can also be notified by alarms, if alarms are activated.

Turning on Airplane mode reduces battery consumption.

To turn on Airplane mode

1 From your Home screen, tap .

2Find and tap Settings > More….

3Mark the Airplane mode checkbox.

You can also select Airplane mode from the Phone options menu. To access the Phone

options menu, press and hold down the power key .

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Sony 12640775, ST21a2, ST21i2, 1264-0772 manual Screen settings, Phone language, Flight mode

ST21i2, 1264-0772, ST21a2, 12640775 specifications

The Sony ST21a2, also known as the Sony Xperia Tipo, is a compact and user-friendly smartphone designed to cater to the needs of users seeking an accessible Android experience. With its sleek design and modest specifications, the Xperia Tipo emphasizes simplicity without compromising essential features.

One of the defining characteristics of the Xperia Tipo is its lightweight and ergonomic body, making it comfortable to hold and use for extended periods. The device boasts a 3.2-inch display with a resolution of 320 x 480 pixels, providing decent visual quality for browsing and media playback. The screen is designed to enhance user interaction, making navigation through the Android interface smooth and straightforward.

The Xperia Tipo runs on Android 4.0 Ice Cream Sandwich, which offers a range of functionalities that make everyday tasks more manageable. Users can access the Google Play Store, allowing them to download a vast array of applications to further customize their experience. The device is powered by a Qualcomm Snapdragon S1 processor, which, while not the latest in technology, provides sufficient performance for routine tasks such as calling, texting, and using social media.

Another notable feature of the Xperia Tipo is its 3.2-megapixel rear camera, which allows users to take basic photos and videos. The camera includes features such as geo-tagging and a simple interface, making it suitable for casual photography. Unfortunately, it lacks a front-facing camera, limiting its capability for video calls.

Connectivity options for the Xperia Tipo include Wi-Fi, Bluetooth, and 3G support, ensuring that users can stay connected whether at home or on the go. The device also includes a 1500mAh battery, providing adequate longevity for daily use without the need for frequent recharging.

In terms of storage, the Xperia Tipo comes with 2.5GB of internal memory, expandable via microSD, allowing users to store additional apps, photos, and media files easily. The phone’s compact size, alongside its modest features, makes it an excellent choice for first-time smartphone users or those looking for a reliable secondary device.

In summary, the Sony ST21a2, or Xperia Tipo, is characterized by its compact design, user-friendly interface, and essential features. While it may not compete with more advanced smartphones in terms of specifications, it provides a solid foundation for users seeking simplicity and functionality in their mobile experience.