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Wirelessly posted (iPhone 4S: Mozilla/5.0 (iPhone; CPU iPhone OS 5_0_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9A405 Safari/7534.48.3)

They don't sell iOS 5. It's a free download with your iOS device, such as the iPhone and iPod touch, and iPad.
 
since apple is now selling unlocked iphones, will they release or sell the unlocked version of the ios5?

There is no unlocked version of ios5.
The hardware is unlocked and that's determined by its serial number on Apples activation servers.
It doesnt mean they will just unlocked every locked iphone out there. It would be great but its not happening.
 
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