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. You can get the update right now via these links:
The iOS software update shows slightly changed signal bars with the first three being taller in size. In many places, users have noticed that their service appears to be 1-3 bars lower than before the change.