More Undocumented iPhone OS 2.2 Features

We continue to note minor new, undocumented features extant in iPhone OS 2.2.

"Update All" back The ability to update all applications with the press of one button--a feature that was disable in iPhone OS 2.1--is back in iPhone OS 2.2.

Locked screen screenshots iPhone OS 2.2 now offers the ability to snap images of the locked screen. To take a screenshot: while holding the home button, press and release the sleep/wake button. A screen flash indicates that that the image was captured.

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