An active display continues drawing power even when no one is looking at it. Minutes begin to accumulate. A forgotten phone might remain illuminated until you notice it and turn it off manually.
Apple provides an Auto-Lock Function. It controls how quickly the display shuts off after inactivity. Choose a shorter interval that fits your routine. Once set, the feature takes care of the rest.
Quick percentage depletion often occurs unexpectedly. Where did all that power go? The answer comes down to small choices made throughout the day, many of which barely register while you use your phone.
Continual distraction or lack of knowledge makes power usage easy to overlook. Here are the most common practices to be aware of that cause excessive drain.