ATips and Troubleshooting

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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 27.

or

If iPhone doesn’t appear in iTunes or you can’t sync iPhone

ÂThe iPhone battery might need to be recharged. For information about charging iPhone, see “Charging the Battery” on page 27.

ÂDisconnect other USB devices from your computer and connect iPhone to a different USB 2.0 port on your computer (not on your keyboard).

ÂTurn iPhone off and back 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. Tap Unlock and enter your SIM’s PIN if the SIM is locked.

Note: If you enter the PIN incorrectly three times, you may need to contact your carrier for a Personal Unlocking Key (PUK) to enable your SIM card again.

ÂRestart your computer and reconnect iPhone to your computer.

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Apple A1431 If the screen shows a low-battery image, If iPhone doesn’t appear in iTunes or you can’t sync iPhone, 114