Apple IPhone IOS 31 User Guide

Triple-click Home
Triple-click Home provides an easy way to turn some of the Accessibility features on 
or off when you press the Home 
 button quickly three times. You can set Triple-click 
Home to turn VoiceOver on or off, turn White on Black on or off, or present the  
options to:
Turn VoiceOver on or off
• 
Turn Zoom on or off• 
Turn White on Black on or off• 
Triple-click Home is turned off by default.
Set the Triple-click Home function:   In Settings, choose General > Accessibility > 
Triple-click...

Visual Voicemail
The play and pause controls in visual voicemail let you control the playback of 
messages. Drag the playhead on the scrubber bar to repeat a portion of the message 
that’s hard to understand. See “Checking Voicemail
” on page 52 .
Assignable Ringtones
You can assign distinctive ringtones to individuals in your contacts list for audible 
caller ID. You can purchase ringtones from the iTunes Store on iPhone. See “Purchasing 
Ringtones
” on page 162.
Instant Messaging (IM) Chat
The App...

Troubleshooting
AAppendix
Apple iPhone Support Site
Comprehensive support information is available online at  
www.apple.com/support/iphone
. 
General
Low-Battery Image Appears
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 43 .
or
iPhone Doesn’t Respond
iPhone may be low on power. Connect iPhone to your computer or to its power • 
adapter to charge. See “ Charging the Battery” on page 43...

iPhone Still Doesn’t Respond After Reset
Reset iPhone settings. From the Home screen choose Settings > General > Reset • 
> Reset All Settings. All your preferences are reset, but your data and media aren’t 
deleted.
If that doesn’t work, erase all content on iPhone. See “
• Resetting iPhone” on page 149 .
If that doesn’t work, restore the iPhone software. See “
• Updating and Restoring 
iPhone Software
”  on page 204.
“This accessory is not made to work with iPhone” Appears
Make sure the dock connector...

iTunes and Syncing
iPhone Doesn’t Appear in iTunes 
The iPhone battery might need to be recharged. For information about charging • 
iPhone, see “Charging the Battery” on page 43 .
Disconnect other USB devices from your computer and connect iPhone to a 
• 
different USB 2.0 port on your computer (not on your keyboard).
Turn 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...

Yahoo! or Google Contacts Doesn’t Sync
iTunes may not be able to connect with Yahoo! or Google. Make sure your computer 
is connected to the Internet, and that you’ve entered the correct ID and password in 
iTunes. Connect iPhone to your computer, click the Info tab in iTunes, click Configure in 
the Contacts section, then enter your current ID and password.
Yahoo! Address Book Still Has Contacts Deleted From iPhone
Yahoo! Address Book doesn’t allow contacts containing a Messenger ID to be deleted...

Visual Voicemail may be an optional service in some countries. Contact your carrier for 
more information. 
You Can’t Remember Your Voicemail Password
If iPhone prompts you for your password when you tap Voicemail and you don’t 
remember your password, tap 
 for instructions on resetting it.
Voicemail Service Is Called When You Tap Voicemail
If the voice instructions prompt you, enter your voicemail password. Otherwise, wait 
until you hear any voice instruction, then end the call. After a time,...

If you’re traveling abroad, you may not have Internet access because Data Roaming • 
is turned off (the default). Turn Data Roaming on or connect to a Wi-Fi network. 
To turn Data Roaming on, in Settings choose General > Network and tap Data 
Roaming. Data roaming charges may apply.
Important:  Data roaming charges may apply. To avoid data roaming charges, turn 
Data Roaming off.
Restore the iPhone software. See “
• Updating and Restoring iPhone Software”  on 
page 204.
Can’t Send Email
If iPhone is...

Set up your email account directly on iPhone instead of syncing it from iTunes. • 
In Settings, choose “Mail, Contacts, Calendars,” tap Add Account and enter your 
account information. If iPhone is unable to locate your service provider’s settings 
when you enter your email address, go to www.apple.com/support and search for 
HT1277 to get additional help in setting up your account.
Turn iPhone off, then turn it on again. Press and hold the Sleep/Wake button on top 
• 
of iPhone for a few seconds until a...

GAL Contacts Don’t Appear
Check your Microsoft Exchange settings to make sure you’re on the right server. In 
Settings, tap “Mail, Contacts, Calendars” and choose an account to display its settings.
If you’re trying to search for GAL contacts in Contacts, tap Groups and tap Directories 
at the bottom of the list.
Sound, Music, and Video
No 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...