Battery Won't Fully Charge

When the battery is fully charged, the lightning-bolt icon on the battery icon (top of the screen) changes into a little plug icon. You should be ready to head out into the world, with your own world in your pocket. Unless, of course, you never see the plug icon.

Turns out this is a software bug, not a battery bug. Your battery is fully charged—it's just that the status-bar icon never shows the little happy plug. Apple fixed this problem in its first iPhone software update.

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