Apple has released iOS 4.3.4 and iOS 4.2.9 Firmware for iPhone 4/CDMA ,iPhone 3GS, iPad 2, iPad 1, iPod Touch 3GS and iPod Touch 4G. The main reason to update iOS 4.3.4 to Fixes security vulnerability associated with viewing malicious PDF files. And blocks Untethered jailbreak tool on i-Devices. If you want to update your [...]