When you turn Battery Saver on, your phone automatically turns off some services and features that use battery in the background.
On the Start screen, slide to the left.
On/Off switch to turn Battery Saver on.
advanced, and then select any of these options:
- When battery is low. Battery Saver automatically turns on whenever the battery gets to 20%.
- Now until next charge. Battery Saver turns on instantly until the next time you recharge the battery.
- Always. Battery Saver is always on.
to save your settings.