For those who haven’t been spending their day clicking “Check for Update” in iTunes, Apple has finally released iOS 4.1 for the iPhone and iPod touch. The free update includes new features like Game Center, iTunes TV show rentals, iTunes Ping support, high-definition video uploads, and the ability to take high-dynamic-range photos with the iPhone 4. Perhaps more importantly, though, the update includes bug fixes for the iPhone 4′s proximity sensor and Bluetooth problems, not to mention a much-needed performance tune-up for the iPhone 3G.

You can update your iPhone by simply pressing the “check for update” button in iTunes 10.

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