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Appendix A Tips and Troubleshooting 116
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, erase all content on iPhone. From the Home screen choose
Settings > General > Reset > “Erase All Content and Settings.” All your preferences
and other data are removed from iPhone.
 If that doesn’t work, restore the iPhone software. See “Updating and Restoring
iPhone Software” on page 120.
If iPhone isn’t playing sound
 Unplug and reconnect the headset. Make sure the connector is pushed in all the way.
 Make sure the volume isn’t turned down all the way.
 Music on iPhone might be paused. Try clicking the mic button on the headset to
 Check to see if a volume limit is set. From the Home screen choose Settings > iPod >
Volume Limit. For more information, see page 105.
 Make sure you are using the latest version of iTunes (go to www.apple.com/itunes).
 If you are using the dock’s line out port, make sure your external speakers or stereo
are turned on and working properly.
If clicking the mic button on the headset doesn’t resume music playback
iPhone goes to sleep after music has been paused for five minutes. Press the Home
or Sleep/Wake button to wake up iPhone.
If your headset or headphones don’t fit in the iPhone headset jack
iPhone supports third-party headsets and headphones with a standard 3.5 millimeter
stereo miniplug. Some of these may not connect properly to iPhone because the plug
body is too large to fit in the jack inset. Third-party adapters may be available.
If iPhone shows a message saying “This accessory is not made to work with iPhone”
If you connect iPhone to an accessory not specifically made for it, iPhone may ask if
you want to turn on airplane mode. This is to eliminate radio interference from cellular
signals coming from iPhone. You may be able to use iPhone with the accessory
whether or not you turn on airplane mode. However, the accessory may not charge
iPhone.
If you turn on airplane mode, you won’t be able to make calls, send or receive text
messages, access the Internet, or use Bluetooth devices with iPhone until you
disconnect iPhone from the accessory or turn off airplane mode.
If iPhone shows a message saying “This accessory is not supported by iPhone”
The accessory you attached will not work with iPhone.
. resume playback. Or from the Home screen tap iPod, tap Now Playing, then tap