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Repairing iPhone
Never attempt to repair or modify iPhone yourself. iPhone
does not contain any user-serviceable parts, except for the
SIM card and SIM tray. If iPhone has been submerged in
water, punctured, or subjected to a severe fall, do not use
it until you take it to an Apple Authorized Service Provider.
For service information, choose iPhone Help from the
Help menu in iTunes or go to www.apple.com/support/
iphone/service. The rechargeable battery in iPhone should
be replaced only by an Apple Authorized Service Provider.
For more information about batteries, go to www.apple.
com/batteries.
Charging iPhone
To charge iPhone, only use the Apple Dock Connector
to USB Cable with an Apple USB Power Adapter or a
high-power USB port on another device that is compliant
with the USB 2.0 or 1.1 standards, another Apple-branded
product or accessory designed to work with iPhone, or a
third-party accessory certifi ed to use Apple’s “Works with
iPhone” logo.
Read all safety instructions for any products and
accessories before using with iPhone. Apple is not
responsible for the operation of third-party accessories or
their compliance with safety and regulatory standards.
When you use the Apple USB Power Adapter to charge
iPhone, make sure that the power adapter is fully
assembled before you plug it into a power outlet. Then
insert the Apple USB Power Adapter fi rmly into the power
outlet. Do not connect or disconnect the Apple USB Power
Adapter with wet hands. Do not use any power adapter
other than the Apple USB Power Adapter to charge
iPhone.
The Apple USB Power Adapter may become warm during
normal use. Always allow adequate ventilation around the
Apple USB Power Adapter and use care when handling.
Unplug the Apple USB Power Adapter if any of the
following conditions exist:
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The power cord or plug has become frayed or damaged.
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The adapter is exposed to rain, liquid, or excessive
moisture.
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The adapter case has become damaged.
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You suspect the adapter needs service or repair.
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You want to clean the adapter.
Avoiding Hearing Damage
Permanent hearing loss may occur if the receiver, earbuds,
headphones, speakerphone, or earpieces are used at high
volume. Set the volume to a safe level. You can adapt over
time to a higher volume of sound that may sound normal
but can be damaging to your hearing. If you experience
ringing in your ears or muπ ed speech, stop listening and
have your hearing checked. The louder the volume, the
less time is required before your hearing could be a∂ ected.
Hearing experts suggest that to protect your hearing:
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Limit the amount of time you use the receiver, earbuds,
headphones, speakerphone, or earpieces at high
volume.
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Avoid turning up the volume to block out noisy
surroundings.
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Turn the volume down if you can’t hear people
speaking near you.
For information about how to set a maximum volume
limit on iPhone, see the iPhone User’s Guide.