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Tong ZhangModerator
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iPhone Needs to Cool Down Before You Can Use It
      #33616 - 07/07/09 11:05 AM

There is some buzz on the Net about the new iPhone 3GS heating up during use. While this doesn't appear to be a widespread problem, Apple has posted an operating guideline on its support site for the iPhone 3GS. Here are the details:

"Operate iPhone 3G and iPhone 3GS in a place where the temperature is between 0 degree and 35 degrees C (32 degrees to 95 degrees F). Low- or high-temperature conditions might temporarily shorten battery life or cause the device to temporarily stop working properly.

Store iPhone 3G and iPhone 3GS in a place where the temperature is between -20? and 45? C (-4? to 113? F). Don?t leave the device in your car, because temperatures in parked cars can exceed this range.

If the interior temperature of the device exceeds normal operating temperatures, you may experience the following as it attempts to regulate its temperature:

* The device stops charging
* Display dims
* Weak cellular signal
* Temperature warning screen appears with the message "iPhone needs to cool down before you can use it" (see image below)



This message appears when the operating temperature has become too hot. This is a safety mechanism that protects the components of your device. If this message appears, you should turn the device off, move it to a cooler environment, and allow it to cool before resuming use.

Note: When this message appears, the device may still be able to make emergency calls.

Some conditions and activities that may activate the Temperature warning message:

* Leaving the device in a car on a hot day.
* Leaving it in direct sunlight for extended amounts of time.
* Using certain applications in hot conditions or direct sunlight for long periods of time, such as GPS tracking in a car on a sunny day or listening to music while in direct sunlight."

For more info visit support.apple.com



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Jacob_SpindelModerator
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Re: iPhone Needs to Cool Down Before You Can Use It [Re: Tong Zhang]
      #33617 - 07/07/09 12:20 PM

There has been a lot of speculation about what might be causing this. Some people think Apple may have used a batch of bad batteries (which could require a recall), while others think the battery is being drained too fast because of some bug in OS 3.0 (which would require an update).

Less popular theories include the possibility that virtual racing games for iPhone OS have caused an increase in virtual carbon emissions, leading to virtual climate change, or the suggestion that Paris Hilton's catchphrase "That's hot!" has interfered with the voice-command software.

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