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 Home and choose the function you want.
Closed Captioning and Other Helpful Features
Many features available on all models of iPhone help make iPhone accessible to all 
users, including those with visual or auditory impairments.
Closed Captioning
You can turn on closed captioning for videos in iPod settings. See “ Video” on page 15 8 .
Voice Control
Voice Control (available only on iPhone 3GS) lets you make phone calls and control 
iPod music playback by using voice commands. See “ Voice Dialing” on page 48, and 
“Using Voice Control with iPod
”  on page 77 .
Large Phone Keypad
Make phone calls simply by tapping entries in your contacts and favorites lists. When 
you need to dial a number, iPhone’s large numeric keypad makes it easy. See “Phone 
Calls
” on page 47 .
Widescreen Keyboards
Several applications let you rotate iPhone when you’re typing so that you can use a 
larger keyboard:
Mail
• 
Safari• 
Messages• 
Notes• 
Contacts• 
191Chapter 25    Accessibility 
						

							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 Store features many Internet Messaging (IM) applications such as AIM, 
BeejiveIM, ICQ, and Yahoo! Messenger that are optimized for iPhone.
Minimum Font Size for Mail Messages
To increase readability, set a minimum font size for Mail message text to Large,   
Extra Large, or Giant. See “Mail
”  on page 15 2 .
TTY Support (Available in Some Areas)
Use iPhone in TTY mode with the iPhone TTY Adapter (available separately) to use 
a Teletype ( TTY ) machine. See “Using iPhone with a Teletype ( TTY ) Machine
” on 
page 154.
Universal Access in Mac OS X
Take advantage of the Universal Access features in Mac OS X when you use iTunes  
to sync information and content from your iTunes library to iPhone. In the Finder, 
choose Help > Mac Help, then search for “universal access.”
For more information about iPhone and Mac OS X accessibility features, go to 
www.apple.com/accessibilit y.
19 2Chapter 25    Accessibility 
						

							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 .
Press and hold the Sleep/Wake button on top of iPhone for a few seconds until a 
• 
red slider appears, and then press and hold the Home button until the application 
you were using quits.
If that doesn’t work, 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 red slider appears, and then 
drag 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 both the Sleep/Wake button and 
• 
the Home  button for at least ten seconds, until the Apple logo appears.
19 3 
						

							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 is free of debris.
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.
“This accessory is not supported by iPhone” Appears
The accessory you attached may not work with iPhone. Make sure the dock connector 
is free of debris.
Connect-to-iTunes Screen Appears
iPhone needs to be activated. Connect iPhone to your computer and open iTunes if it 
doesn’t open automatically.
iPhone Is Too Warm
If the interior temperature of iPhone 3G or later exceeds normal operating 
temperatures, you may experience the following as it attempts to regulate its 
temperature:
iPhone stops charging
• 
the display dims• 
the cellular signal is weak• 
a temperature warning screen appears• 
Important:   You cannot use iPhone while the temperature warning screen is displayed 
except to make an emergency call. If none of the above measures succeeds in 
lowering the internal temperature, iPhone automatically goes into a deep sleep mode 
until it cools. You cannot make an emergency call when iPhone is in this mode. Move 
iPhone to a cooler location and wait a few minutes before trying to use iPhone again.
19 4Appendix A    Troubleshooting 
						

							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 Sleep/Wake button until the Apple logo appears. Tap Unlock and enter 
your SIM’s PIN if the SIM is locked.
Important:   If you enter the PIN incorrectly three times, you may need to enter a 
Personal Unlocking Key (PUK) to enable your SIM card again. Refer to the SIM card 
documentation or contact your carrier.
Restart your computer and reconnect iPhone to your computer.
• 
Download and install (or reinstall) the latest version of iTunes from • 
www.apple.com/itune s.
Syncing Doesn’t Work
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 Sleep/Wake button until the Apple logo appears. Tap Unlock and enter 
your SIM’s PIN if the SIM is locked.
Important:   If you enter the PIN incorrectly three times, you may need to enter a 
Personal Unlocking Key (PUK) to enable your SIM card again. Refer to the SIM card 
documentation or contact your carrier.
Restart your computer and reconnect iPhone to your computer.
• 
Download and install (or reinstall) the latest version of iTunes from • 
www.apple.com/itune s.
Contacts, Calendars, or Bookmarks Don’t Sync
Download and install (or reinstall) the latest version of iTunes from • 
www.apple.com/itunes.
19 5Appendix A    Troubleshooting 
						

							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 
through syncing. To delete a contact containing a Messenger ID, log in to your Yahoo! 
account online and delete the contact using Yahoo! Address Book.
Phone and Voicemail
Can’t Make or Receive Calls
Check the cell signal •  icon 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.
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 Sleep/Wake button until the Apple logo appears. Tap Unlock and enter 
your SIM’s PIN if the SIM is locked.
Important:  If you enter the PIN incorrectly three times, you may need to enter a 
Personal Unlocking Key (PUK) to enable your SIM card again. Refer to the SIM card 
documentation or contact your carrier.
There may be a problem with your wireless service. Call your carrier or go to your 
• 
carrier’s website.
Restore the iPhone software. See “
• Updating and Restoring iPhone Software”  on 
page 204.
Visual Voicemail Isn’t Available
Visual Voicemail is delivered over the cellular data network. Because Data Roaming is 
turned off by default, you may not have access to the Internet when traveling abroad 
unless you turn Data Roaming on. In Settings choose General > Network, then tap 
Data Roaming.
Important:   Data roaming charges may apply when Data Roaming is on.
19 6Appendix A    Troubleshooting 
						

							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, Voicemail should 
become available again.
This may occur if you removed the SIM card from iPhone and replace it with another 
SIM card.
Safari, Text, Mail, and Contacts
Websites, Text, or Email Aren’t Available
Check the cell signal •  icon 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.
If the cellular network isn’t available, connect to a Wi-Fi network if possible.
• 
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.
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 Sleep/Wake button until the Apple logo appears. Tap Unlock and enter 
your SIM’s PIN if the SIM is locked.
Important:  If you enter the PIN incorrectly three times, you may need to enter a 
Personal Unlocking Key (PUK) to enable your SIM card again. Refer to the SIM card 
documentation or contact your carrier.
There may be a problem with your wireless service. Call your carrier or go to your 
• 
carrier’s website.
19 7Appendix A    Troubleshooting 
						

							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 unable to send email, try the following:
In Settings, choose “Mail, Contacts, Calendars” and select the account you’re trying 
• 
to use. Tap Account Info, then tap SMTP under Outgoing Mail Server. Under Other 
SMTP Server, tap the SMTP server for your carrier, then tap to turn the server on. 
The Under Other SMTP settings also allow you to set up additional SMTP servers. 
Contact your carrier or Internet service provider for configuration information.
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/suppor t 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 red slider appears, and then drag the slider. Then 
press and hold the Sleep/Wake button until the Apple logo appears.
Turn off Wi-Fi so iPhone is connecting to the Internet via the cellular data network. 
• 
In Settings, choose Wi-Fi and turn off Wi-Fi. 
For additional troubleshooting information, go to www.apple.com/suppor t and search 
for TS1426. If you still can’t send email, you can call an Apple Expert (not available in all 
countries). Go to  www.apple.com/support/exper t for information. If Apple Expert is not 
available in your country, get a free GMail, Yahoo!, or AOL account and try forwarding 
your mail to that account.
Can’t Receive Email
If iPhone is unable to receive email, try the following:
If you’re using one or more computers to check the same email account, that may 
• 
be creating a lock-out issue. For more information, go to www.apple.com/suppor t 
and search for TS2621.
19 8Appendix A    Troubleshooting 
						

							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 red slider appears, and then drag the slider. Then 
press and hold the Sleep/Wake button until the Apple logo appears.
Turn off Wi-Fi so iPhone is connecting to the Internet via the cellular data network. 
• 
In Settings, choose Wi-Fi and turn off Wi-Fi. 
For additional troubleshooting information, go to www.apple.com/suppor t and search 
for TS1426. If you still can’t receive email, you can call an Apple Expert (not available in 
all countries). Go to www.apple.com/support/exper t for information. If Apple Expert 
is not available in your country, get a free GMail, Yahoo!, or AOL account and try 
forwarding your mail to that account.
Email Attachment Won’t Open
The file type may not be supported. iPhone supports the following email attachment 
file formats:
.docMicrosoft Word
.docx Microsoft Word (XML)
.htm webpage
.html webpage
.key Keynote
.numbers Numbers
.pages Pages
.pdf Preview, Adobe Acrobat
.ppt Microsoft PowerPoint
.pptx Microsoft PowerPoint (XML)
.rtf Rich Text Format
.txt text
.vcf contact information
.xls Microsoft Excel
.xlsx Microsoft Excel (XML)
19 9
Appendix A    Troubleshooting 
						

							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 might be paused. Try pressing the center button on the iPhone • 
headset (or the equivalent button on your Bluetooth headset) to resume playback. 
Or from the Home screen, tap iPod, tap Now Playing, then tap 
.
Check to see if a volume limit is set. From the Home screen choose Settings > iPod • 
> Volume Limit. For more information, see “Music” on page 15 8 .
Make sure you’re using the latest version of iTunes (go to 
• www.apple.com/itune s).
If you’re using the optional dock’s line out port, make sure your external speakers or 
• 
stereo are turned on and working properly.
Pressing Mic Button 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.
Song, Video, or Other Items Won’t Play
The song may have been encoded in a format that iPhone doesn’t support. The 
following audio file formats are supported by iPhone. These include formats for 
audiobooks and podcasting: AAC (M4A, M4B, M4P, up to 320 Kbps)
• 
Apple Lossless (a high-quality compressed format)• 
MP3 (up to 320 Kbps)• 
MP3 Variable Bit Rate ( VBR)• 
WAV• 
AA (audible.com spoken word, formats 2, 3, and 4)• 
AAX (audible.com spoken word, AudibleEnhanced format)• 
AIFF• 
200Appendix A    Troubleshooting