General
The General pages offer a huge, motley assortment of settings governing the behavior of the virtual keyboard, the Bluetooth transmitter, the iPhone's little-known password-protection feature, and more.
About. Tapping this item opens a page for the statistics nut. Here you can find out how many songs your iPhone holds; how much storage your iPhone has; techie details like the iPhone's software and firmware versions, serial number, model, Wi-Fi and Bluetooth addresses; and so on. (It's kind of cool to see how many applications you've installed.)
Usage. The first option here, Battery Percentage, is an iPhone 3GS feature that wound up on this screen for no apparent reason; still, it's nice. Turn it On to see your battery gauge with a numeric percentage-full readout (for example, "89%").
The Usage readout shows, in hours and minutes, how much time you've spent using all iPhone functions (although it's not broken down by activity, alas). Standby is how much time the iPhone has spent in sleep mode, awaiting calls.
The two statistics under Call Time tell you how much time you've spent talking on the iPhone, broken down by Current Period (that is, during this AT&T billing month) and in the iPhone's entire Lifetime. That's right, folks: For what's probably the first time in history, a cellphone ...
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