iPhone or iPod touch: What to do if you are unable to set the time zone

You may be unable to set the time zone on your iPhone or iPod touch.

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From http://rss.support.apple.com/ipod

iPhone 4S displays 'No Service' or 'No SIM Card Installed'

In certain situations, iPhone 4S may have difficulty recognizing a micro-SIM card, resulting in the following behaviors:

"Invalid SIM" or "No SIM Card installed" alert appears intermittently.
Status bar displays "No Service" or "Searching" in a location with good network coverage.

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From http://rss.support.apple.com/iphone

Mac 101: Connecting a home stereo, iPod, iPad, musical instruments, or speakers

You can easily connect guitars, microphones, keyboards, digital music players, home stereos, and speakers to your Mac. Learn how to connect third-party audio and music devices to your Mac, and how to configure them for use.

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From http://rss.support.apple.com/desktopcomputers