Legacy. Hermann Ebbinghausâ lasting contributions to the field of psychology are multiple. In addition to being the first psychologist to study areas of human learning and memory, Ebbinghaus contributed greatly to the establishment of experimental psychology.
This includes dimming the display slightly, stopping Mail push and fetch, turning off background app refresh, turning off Hey Siri, and a few other iOS features. By turning these features off, the battery life of the iPhone is extended dramatically, and when Low Power Mode is enabled the iPhone battery icon is yellow to demonstrate this.
March 31, 2015. The iPhone displays the charge amount left in the battery on the top-right corner of the screen. When your battery is very low, charge it to prevent it from going completely dead. Once your iPhone battery is completely dead, it is difficult to tell if your problem is simply a dead battery or something more serious.