Apple has just released iOS 4.01 as a free software update for all iPhone users. The free update promises to fix the antenna "death-grip" issue which is supposedly related to a math formula malfunction regarding the the display of the iPhone's service signal bars. It's still propagating in iTunes.
iPhone 4 - 4.01
iPhone 3GS - 4.01
iPhone 3G - 4.01
iPad - 3.2.1:
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-- Post From My iPad