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B Tips and Troubleshooting
Most problems with iPhone can be solved quickly by
following the advice in this chapter.
General Suggestions
If the screen shows a low-battery image
iPhone is low on power and needs to charge for up to ten minutes before you can use
it. For information about charging iPhone, see “Charging the Battery” on page 22.
If iPhone doesn’t appear in iTunes or you can’t sync iPhone
 The iPhone battery might need to be recharged. For information about charging
iPhone, see “Charging the Battery” on page 22.
 If that doesn’t work, disconnect other USB devices from your computer and connect
iPhone to a different USB 2.0 port on your computer (not on your keyboard).
 If that doesn’t work, turn iPhone off and turn it on again. Press and hold the Sleep/
Wake button on top of iPhone for a few seconds until a red slider appears, then drag
the slider. Then press and hold the Sleep/Wake button until the Apple logo appears.
 If that doesn’t work, restart your computer and reconnect iPhone to your computer.
 If that doesn’t work, download and install (or reinstall) the latest version of iTunes
from www.apple.com/itunes.
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