iOS 4.1 arrives with proximity sensor, Bluetooth fixes

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.

Our intrepid Editor in Chief Scott Wasson installed the update on both his iPhones. As Scott tweeted earlier, he no longer sounds like he's underwater when talking over his Bluetooth headset, and vigorously mashing his face against the iPhone while on a call doesn't do anything—finally, no more pictures of Scott's ear in our TR staff inboxes. Scott also says the iPhone 3G performance tune-up worked, although he questions whether Apple has restored full pre-iOS 4.0 performance.

For my part, I decided to give the new HDR functionality a shot:

Left: HDR off. Right: HDR on.

The iPhone's camera app doesn't provide a whole lot of control, but it does save both non-HDR and HDR shots at the same time, and it does a reasonably good job of evening out wide differences in luminosity.

Tip: You can use the A/Z keys to walk threads.
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