The iOS 4.0.1 Is the First update after the release of the iOS 4 Software for the iPhone . The Current Software Update was announced to Fix the Reception Issues on the iPhone , usually while clutching the iPhone the Reception used to Reduce and drops by a large amount .

As Apple had promised to release a Fix for this issue , the update has been officially released today and can be downloaded via iTunes. The Current update improves the Signal Quality and reception as can be seen with the Signal Bars on the iPhone