Sony SGP311U1B, SGP312U1B manual Using Stamina mode, Estimating the standby time of your device

•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 mode whenever possible. Standby time refers to the time during 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.

To add the Data traffic widget to your Home screen

1Tap an empty area of your Home screen.

2Tap .

3Tap Tools > Mobile data.

To add the Quick settings widget to your Home screen

1Tap an empty area of your Home screen.

2Tap > Tools.

3Select the Quick settings widget.

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

1From your Home screen, tap .

2Find and tap Settings > Power management.

3Tap next to STAMINA mode, then tap Activate.

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.

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