•Check the battery usage menu in your device to see which applications use the most power. Your battery consumes more power when you use video and music streaming applications, such as YouTube™. Some applications downloaded from Google Play™ may also consume more power.

•Close and exit applications that you are not using.

•Lower the screen display brightness level.

•Turn off your device or activate the Airplane mode setting if you are in an area with no network coverage. Otherwise, your device repeatedly scans for available networks, and this consumes power.

•Use a Sony™ original handsfree device to listen to music. Handsfree devices demand less battery power than your device's own loudspeakers.

•Keep your device in standby whenever possible. Standby time refers to the time during which your device is connected to the network and is not being used.

•Disable any live wallpaper.

To access the battery usage menu

1From your Home screen, tap .

2Find and tap Settings > Power management > Battery usage.

Using STAMINA mode

Activate the STAMINA mode feature to pause your Wi-Fi® connection, data traffic and several power consuming applications when your screen is inactive. When STAMINA mode is active, you can still receive phone calls, and text and multimedia messages. You can also set up an applications list to allow some applications to keep running when your screen is inactive. Once the screen becomes active again, all paused functions are resumed.

To activate STAMINA mode

1Drag the status bar downwards, then tap .

2Find and tap Power management.

3Drag the slider beside STAMINA mode to the right, then tap Activate. appears in the status bar when STAMINA mode is activated.

To deactivate STAMINA mode

1From your Home screen, tap .

2Find and tap Settings > Power management.

3Tap next to STAMINA mode.

To change the settings for STAMINA mode

1From your Home screen, tap .

2Find and tap Settings > Power management.

3To open the settings menu, tap STAMINA mode.

4Add or remove applications, as desired.

5When you're finished, tap Done.

Estimating the standby time of your device

Standby time refers to the amount of time the battery can last when your device is connected to the network but is not in active use, for example, to receive or make phone calls. STAMINA mode, when activated, continuously evaluates the remaining standby time, which can vary depending on how you use your device. STAMINA mode is more effective in lengthening the standby time if you keep the screen of your device locked. If you rarely lock the screen, you may not see much improvement in battery performance.

When you use your device for the first time, the estimated standby time may not be accurate since there is no previous usage history to estimate from.

To view the estimated standby time

1From your Home screen, tap .

2Find and tap Settings > Power management.

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Sony LT30p manual Using Stamina mode, Estimating the standby time of your device
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LT30p specifications

The Sony LT30p, also known as the Xperia T, is a flagship smartphone that was officially unveiled in late 2012. It marked Sony's reinvigoration in the smartphone market, showcasing a blend of sleek design, powerful performance, and cutting-edge technologies. The Xperia T comes with a 4.6-inch HD Reality Display, offering a resolution of 1280 x 720 pixels. This screen not only delivers vibrant colors and sharp images but also utilizes Sony's Mobile Bravia Engine, enhancing viewing quality for videos and photos.

Under the hood, the Xperia T is powered by a Qualcomm Snapdragon S4 processor, featuring a dual-core CPU clocked at 1.5 GHz, coupled with 1 GB of RAM. This configuration ensures smooth multitasking and responsiveness, allowing users to run multiple applications seamlessly. The device also comes with 16 GB of internal storage, which can be expanded via a microSD card slot, accommodating users who require additional space for apps, music, videos, and other multimedia content.

One of the standout features of the Xperia T is its exceptional camera capabilities. The phone is equipped with a 13-megapixel rear camera equipped with an Exmor R sensor, enabling impressive low-light photography and swift autofocus. The camera can capture high-resolution images and record Full HD video, making it suitable for both everyday photography and professional use. Additionally, the device features a 1.3-megapixel front camera for video calls and selfies.

The Sony LT30p also prioritizes connectivity, supporting 4G LTE networks, enabling users to experience faster download and browsing speeds. It runs on Android 4.0 Ice Cream Sandwich, with a planned upgrade to later versions, ensuring users have access to a vast array of apps and features. The Xperia T also incorporates various connectivity options, including NFC (Near Field Communication), which allows for easy pairing with other devices and sharing content.

Battery life is another critical aspect of the Xperia T, with a non-removable 1850 mAh battery providing substantial usage time, even with heavy multitasking. Overall, the Sony LT30p presents a compelling option for users seeking a well-rounded smartphone that balances performance, camera capabilities, and stylish design, standing out as a noteworthy competitor in its era.
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