Turn on or turn off battery saving mode
When you turn on battery saving mode, your BlackBerry smartphone automatically changes options to conserve battery
power. When you turn off battery saving mode or the smartphone is charged, your normal smartphone settings are
On the home screen or in a folder, click the Options icon.
Click Device > Battery Saving Mode.
Select or clear the Turn on Battery Saving Mode when battery power level is low checkbox.
To change the power level that turns on battery saving mode, change the Start when battery power is at or drops
key > Save.