To access data usage settings

1From your Home screen, tap .

2Find and tap Settings > Data usage.

To turn data traffic on or off

1From your Home screen, tap .

2Find and tap Settings > Data usage.

3To turn data traffic on or off, tap the on-off switch beside Mobile data traffic accordingly.

You can also turn data traffic on or off by marking or unmarking the Mobile data traffic 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 device will be turned off automatically.

To control the data usage of individual applications

1From your Home screen, tap .

2Find and tap Settings > Data usage.

3Find and tap the desired application.

4Mark the Restrict background data checkbox.

5To access more specific settings for the application, tap View app settings and make the desired changes.

Specific settings for an application may not always be accessible.

The performance of individual applications may be affected if you change the related data usage settings.

Mobile network settings

Your device automatically switches between mobile networks depending on what mobile networks are available in different areas. You can also manually set your device to use a particular mobile network mode, for example, WCDMA or GSM.

To select a network mode

1From your Home screen, tap .

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

3Tap Network Mode.

4Select a network mode.

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Sony LT28i, LT28h manual Mobile network settings

LT28i, LT28h specifications

The Sony LT28h and LT28i, also known as the Sony Xperia V, were standout models released in 2012. These smartphones were part of Sony's Xperia lineup, which emphasized multimedia capabilities, robust performance, and sleek designs.

One of the main features of the Sony LT28h and LT28i is their impressive display. Both models sport a 4.3-inch Reality Display with Mobile BRAVIA Engine technology, which delivers vibrant colors and sharp images, making it a delight for media consumption. The screen resolution of 1280 x 720 pixels ensures that images and videos are rendered in high definition, providing an immersive viewing experience.

Under the hood, the LT28h and LT28i are powered by a Qualcomm Snapdragon S4 dual-core processor clocked at 1.5 GHz. This chip, along with 1 GB of RAM, offers seamless multitasking and smooth performance for everyday tasks and applications. Users can run multiple applications without significant slowdown, making these models well-suited for both work and entertainment.

Camera capabilities are another significant draw for the Xperia V models. The rear camera boasts an 13 MP sensor with LED flash and features like autofocus, geo-tagging, and image stabilization. This allows users to capture stunning photos, even in low-light conditions. Additionally, the front-facing camera with a 1.3 MP sensor is perfect for video calls and selfies.

In terms of connectivity, the LT28h and LT28i offer a comprehensive range of options, including 4G LTE support, ensuring fast mobile data speeds. They also feature Wi-Fi, GPS, Bluetooth 4.0, and NFC, which enhances their usability in various scenarios, from file sharing to navigation.

Battery life is a critical aspect of any smartphone, and these models do not disappoint with a 1750 mAh battery, which, depending on usage, can provide sufficient power to get through a full day. Sony included its STAMINA mode, an intelligent battery management feature designed to extend battery life significantly by limiting background data usage.

In addition to hardware features, the LT28h and LT28i run on Android, which provides a smooth and customizable user experience. The user interface is user-friendly and supports a plethora of apps available on the Google Play Store, enhancing the smartphones' functionality.

Overall, the Sony LT28h and LT28i offer an impressive combination of features, making them strong contenders in the smartphone market during their release period. Their balance of performance, multimedia capabilities, and design continues to be remembered fondly by users and technology enthusiasts alike.