Important: The iPod touch battery may drain instead of charge if iPod touch is
connected to a computer that’s turned o or is in sleep or standby mode.
If you charge the battery while syncing or using iPod touch, it may take longer
to charge. You can also charge iPod touch using the Apple USB Power Adapter,
available separately.
Important: If iPod touch is very low on power, it may display one of the following
images, indicating that iPod touch needs to charge for up to ten minutes before you
can use it. If iPod touch is extremely low on power, the display may be blank for up to
two minutes before one of the low-battery images appears.
or

Maximizing Battery Life

iPod touch uses lithium-ion batteries. To learn more about how to maximize the
lifespan and battery life of your iPod touch, go to www.apple.com/batteries.

Replacing the Battery

Rechargeable batteries have a limited number of charge cycles and may eventually
need to be replaced. The iPod touch battery isn’t user replaceable; it can only
be replaced by an authorized service provider. For more information, go to
www.apple.com/support/ipod/service/battery.
Security Features
Security features help protect the information on iPod touch from being accessed
by others.

Passcodes and Data Protection

You can set a passcode that you must enter each time you turn on or wake up
iPod touch.
Set a passcode: Choose Settings > General > Passcode Lock and enter a 4-digit
passcode, then enter the passcode again to verify it. iPod touch then requires you to
enter the passcode to unlock it or to display the passcode lock settings.
42 Chapter 3 Basics