iOS 4.0.2 firmware [Build 8A400] for iPhone 4, iPhone 3GS, 3G and iPod Touch 2G and iPod Touch 3G has been released and is available for download. This update contains patch for the JailbreakMe.com exploit along with some bugs fixes and improvements. iOS 4.0.2 update fixes security vulnerability associated with viewing malicious PDF Files.

iOS 4.0.2 can be downloaded for free via iTunes by simply connecting your iPhone to your computer or simply click the Refresh button located in the Summary section of your iPhone in iTunes. This update contains bugs fixes and improvements. iOS 4.0.2 is compatible with all iPhones with the exception of the first model EDGE (2007).
iOS 4.0.2 Change Log
Updating!
How to install iOS 4.0.2 update:
- Upgrade your iTunes version to 9.2.
- Back up your data before running the install, so plug in your iOS device via USB and hit Sync.
- When you’re done syncing, click Check for Update.
- Download iOS 4.0.2, then follow the on-screen instructions to install.
Download iOS 4.0.2 and iPad 3.2.2 (Official Links)
Download iOS 4.0.2 firmware for iPhone 3G, 3GS and iPod Touch 2G and 3G now! To download and install iOS 4.0.2 firmware and iPad iOS 3.2.2 use the following links:
- iPhone 3G
- iPhone 3GS
- iPhone 4
- iPod Touch (3rd gen)
- iPad
