The Apple TV has 2 major hardware updates in all its lifetime. Its first original lauch in back in 2007, second was september 2010 when apple released its iOS based version. AppleTV3,1 is the latest version of iOS 5. The new Apple tv intergrate Apple’s new A5 processor which will give Apple tv much faster graphics processing, and include true 1080p support. Apple has been rumored to be prepping movie studios for its products to start submitting 1080p content to iTunes.
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