User Guide Part 1

DRAFT

Chapter 3 Basics 39

Activation Lock

Activation Lock, an additional feature of Find My iPhone, helps deter theft by requiring your

Apple ID and password to reactivate iPhone, even if iPhone is completed erased and restored.

Turn on Activation Lock. Go to Settings > iCloud > Find My iPhone.

Sell or transfer iPhone. If you want to sell or transfer your iPhone, turn o Activation Lock at

Settings > iCloud > Find My iPhone. You should also erase iPhone. Go to Settings > General >

Reset > Erase All Content and Settings.

Charge and monitor the battery

iPhone has an internal, lithium-ion rechargeable battery. For more information about the

battery—including tips for maximizing battery life—go to www.apple.com/batteries.

WARNING: For important safety information about the battery and charging iPhone, see

Important safety information on page 138.

To charge the battery, connect iPhone to a power outlet using the included cable and USB

power adapter.

Note: Connecting iPhone to a power outlet can start an iCloud backup or wireless iTunes

syncing. See Backing up iPhone on page 143 and Syncing with iTunes on page 17.

You can also charge the battery by connecting iPhone to your computer, which also allows

you to sync iPhone with iTunes. See Syncing with iTunes on page 17. Unless your keyboard

has a high-power USB 2.0 or 3.0 port, you must connect iPhone to a USB 2.0 or 3.0 port on

your computer.

Important: The iPhone battery may drain instead of charge if iPhone is connected to a computer

that’s turned o or is in sleep or standby mode.

The battery icon in the upper-right corner shows the battery level or charging status. To display

the percentage of battery charge remaining, go to Settings > General > Usage. When syncing or

using iPhone, it may take longer to charge the battery.

Charging

Charged

APPLE CONFIDENTIAL