Basics36Power saving featurePower saving modeSave the battery power by limiting the device’s functions.On the Apps screen, tap Settings → Power saving → Power saving mode, and then tap thePower saving mode switch to activate it. Alternatively, open the quick setting panel and tapPower saving to activate it.Select from the following options:• Restrict background data: Prevent apps that are running in the background from using amobile data connection.• Restrict performance: Limit various options, such as turning off the backlight for theRecent apps button and the Back button.• Greyscale mode: Display colours on the screen as grey tones.Ultra power saving modeUse this mode to extend the device’s battery power. In ultra power saving mode, the deviceperforms the following:• Restricts the available apps to essential and selected apps only.• Deactivates the mobile data connection when the screen turns off.• Deactivates the Wi-Fi and Bluetooth features.On the Apps screen, tap Settings → Power saving → Ultra power saving mode, and tap theUltra power saving mode switch to activate it. Alternatively, open the quick setting paneland tap U. power saving to activate it.To add an app to the Home screen, tap and select an app.To change the settings for ultra power saving mode, such as network connectivity or sound,tap → Settings.To deactivate ultra power saving mode, tap → Disable ultra power saving mode.The estimated maximum standby time shows the time remaining before the batterypower runs out if the device is not used. Standby time may vary depending on yourdevice settings and operating conditions.
