User's Manual

To learn about Do this
Finding your iPhone serial number,
International Mobile Equipment Identity (IMEI),
QT/QDKNG'SWKROGPV+FGPVK°GT/'+&
;QWECP°PF[QWTK2JQPGUGTKCNPWODGTCPF+/'+
(GSM models) or MEID (CDMA model) on the
iPhone packaging. Or, on iPhone, choose Settings
> General > About. In iTunes on your computer,
hold down the Control key and choose Help
> About iTunes (Windows) or iTunes > About
iTunes (Mac), then release the Control key. (Press
the Space bar to pause the scrolling.)
Obtaining warranty service First follow the advice in this guide and online
resources. Then go to www.apple.com/support
or see the Important Product Information Guide at
www.apple.com/support/manuals/iphone.
Battery replacement service Go to
www.apple.com/support/iphone/service/battery.
Using iPhone in an Enterprise Environment
Go to www.apple.com/iphone/business to learn more about enterprise features of
iPhone, including:
Microsoft Exchange 
+PUVCNNKPIEQP°IWTCVKQPRTQ°NGU 
CalDAV 
CardDAV 
IMAP 
LDAP 
VPN 
Using iPhone with Other Carriers
Some carriers let you unlock iPhone for use with their network. To determine if your
ECTTKGTQÒGTUVJKUQRVKQPIQVQsupport.apple.com/kb/HT1937.
Contact your carrier for authorization and setup information. You’ll need to connect
iPhone to iTunes to complete the process. Additional fees may apply.
For troubleshooting information, go to support.apple.com/kb/TS3198.
259
Appendix B Support and Other Information