Apple Releases iOS 4.0.2 Software Update for the iPhone

Apple has released iOS 4.0.2 for iPhone 4, iPhone 3GS and iPhone 3G.

"The iOS 4.0.2 Software Update includes a new security update. and the iOS 4.0.1 improvement to the signal strength formula for iPhone 4, iPhone 3GS, and iPhone 3G. The real signal strength remains the same, but the bars on iPhone will indicate it more precisely."

How to Install the iOS 4.0.2 Software Update for iPhone?

1. Make sure you have the latest version of iTunes. If not, you can Download Itunes.
2. Connect your iPhone to your computer.
3. When iTunes opens, select your iPhone under Devices in the Source List on the left.
4. In the iPhone Summary pane, click Check for Update.
5. Click Download and Install. Do not disconnect your iPhone until the update has finished.