Operating temperature iPhone is designed to work in ambient temperatures between 32°
and 95° F (0° and 35° C) and stored in temperatures between -4° and 113° F (-20° and 45°
C). iPhone can be damaged and battery life shortened if stored or operated outside of these
temperature ranges. Avoid exposing iPhone to dramatic changes in temperature or humidity.
When you’re using iPhone or charging the battery, it is normal for iPhone to get warm.
If the interior temperature of iPhone exceeds normal operating temperatures (for example, in
a hot car or in direct sunlight for extended periods of time), you may experience the following
as it attempts to regulate its temperature:
iPhone stops charging.
The screen dims.
A temperature warning screen appears.
Some apps may close.
Important: You may not be able to use iPhone while the temperature warning screen is
displayed. If iPhone can’t regulate its internal temperature, it goes into deep sleep mode
until it cools. Move iPhone to a cooler location out of direct sunlight and wait a few minutes
before trying to use iPhone again.
For more information, see .
iPhone Support site
Comprehensive support information is available online at . To
contact Apple for personalized support (not available in all areas), see
.
Restart an app or iPhone
If something isn’t working right, try restarting the problem app or iPhone.
Restart an app. If an app isn’t working properly, you can force it to quit, then try reopening
it. Double-click the Home button, then drag the app up from the app switcher display to quit
the app. Opening it again may resolve the problem.
Restart iPhone. Hold down the Sleep/Wake button until the slider appears. Slide your finger
across the slider to turn off iPhone. To turn iPhone back on, hold down the Sleep/Wake
button until the Apple logo appears.
www.apple.com/support/iphone
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