User manual
battery indicator in on the top right corner will turn blue while Power Saving is
enabled.
To manually turn on or off Power Saving Mode at any time, swipe down from the top
of your screen to open Control Center, then click . You can also go to [Settings] >
[Battery] and enable Power Saving.
Note: Your phone will automatically disable Power Saving when you charge it up to
80%. Power Saving is always temporary and only lasts until the next proper charge.