How to Monitor Usage of an iPhone
- 1). Push "Home" on the front of the iPhone, and swipe the unlock bar to access the device's main screen.
- 2). Tap "Settings" and touch the "General" tab.
- 3). Tap the "Usage" tab to access the device's usage menu. Tap the switch on "Battery Percentage" to display the iPhone's current battery life. The usage menu has three categories: call time, cellular network data and time since last full charge.
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