Basics11Power saving modeSave the battery power by limiting the device’s functions.On the Home screen, tap Apps → Settings → Battery → Power saving mode, and then tapthe switch to activate it.To automatically activate power saving mode when the remaining battery power reaches thepreset level, tap Start power saving and select an option.Ultra power saving modeUse this mode to extend the device’s battery power. In ultra power saving mode, the deviceperforms the following:• Displays colours on the screen as grey tones.• Restricts the available apps to essential and selected apps only.• Deactivates the Wi-Fi and Bluetooth features.On the Home screen, tap Apps → Settings → Battery → Ultra power saving mode, andthen tap the switch to activate it.To deactivate ultra power saving mode, tap MORE → Disable Ultra power saving mode.The usage time left shows the time remaining before the battery power runsout. Usage time left may vary depending on your device settings and operatingconditions.