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.
The battery indicator is at the top right-hand side of the status bar. When your battery has enough charge left, it is green but turns red when you need to plug it into a charger. The battery indicator also reveals whether the battery is charging and when it is fully charged. Once you plug your phone into a power source, a lightning symbol will appear in the battery indicator; this changes to a plug symbol once the battery is fully charged and you can disconnect the phone from the power.