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" in the
iPhone User's Guide.
- 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, and then slide the slider. Then press and hold the
Sleep/Wake button until the Apple logo appears.
Note:
If you enter the SIM PIN incorrectly three times, you may need to
contact your carrier for a Personal Unlocking Key (PUK) to enable your
SIM card again.
- 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.
If you can't make or receive calls, send or receive text messages, or access email or the web
- Check the cell signal indicator in the status bar at the
top of the screen. If there are no bars, or if it says "No service,"
try moving to a different location. If you're indoors, try going
outdoors or moving closer to a window.
- Check to make sure you’re in an area with network coverage. Go to your carrier's website to see network coverage areas.
- Make sure airplane mode isn't on. From the Home screen choose Settings, then turn Airplane Mode off.
- If that doesn't work, turn airplane mode on, wait 15 seconds, then turn airplane mode off again.
- Make sure to include an area code for every phone number in your contacts list that you use to send or receive text messages.
- 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 slide the slider. Then press and hold the
Sleep/Wake button until the Apple logo appears.
Note:
If you enter the SIM PIN incorrectly three times, you may need to
contact your carrier for a Personal Unlocking Key (PUK) to enable your
SIM card again.
- If that doesn't work, there may be an issue with your wireless service. Call your carrier or go to your carrier's website.
- If that doesn't work, restore the iPhone software. See Backing up, updating, and restoring your iPhone and iPod touch software or see "Updating and Restoring iPhone Software" in the iPhone User's Guide.
MMS: Original iPhone does not support MMS. MMS is available
on iPhone 3G and iPhone 3GS if it is supported by the wireless carrier.
For more information, please see iPhone: System requirements for MMS.
If iPhone won't turn on, or the display freezes or doesn't respond
See iPhone and iPod touch: Frozen and unresponsive for information on addressing these symptoms.
- iPhone OS 2.x and earlier: Press and hold the Home button until the application quits.
iPhone OS 3.x and later:
Press and hold the Sleep/Wake button until the red slider appears, then
press and hold the Home button until the application quits.
- 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, and then slide the slider. Then press and hold the
Sleep/Wake button until the Apple logo appears.
- If that
doesn't work, reset iPhone. Press and hold the Sleep/Wake button and
the Home button at the same time for at least ten seconds, until the
Apple logo appears.
If iPhone continues to freeze or not respond after you reset it
- Reset iPhone settings. From the Home screen choose Settings > General > Reset > Reset All Settings. All your preferences are reset, but no data or media is deleted.
- If
that doesn't work, reset iPhone. Press and hold the Sleep/Wake button
and the Home button at the same time for at least ten seconds, until
the Apple logo appears restore the iPhone software. See Backing up, updating and restoring your iPhone and iPod touch software.
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