Apple has released iOS 4.3.4 to fix security vulnerability associated with viewing malicious PDF files. This is the same vulnerability used by JailbreakMe 3.0 by comex to jailbreak iPad 2 on iOS 4.3.3. iOS 4.3.4 is compatible for iPhone 4, iPhone 3GS, iPad 1, 2 & iPod Touch 4G & 3G.

If you don’t care about jailbreak and want to get the fix for iOS 4.3.3 then head over to below download links section to download iOS 4.3.4. For iPhone 4 CDMA  Apple has released iOS 4.2.9.

Download iOS 4.3.4 Direct Download Links

iOS 4.3.4 for iPhone 4 (iPhone3,1_4.3.4_8K2_Restore.ipsw)

iOS 4.3.4 for iPhone 3GS (iPhone2,1_4.3.4_8K2_Restore.ipsw)

iOS 4.3.4 for iPad (iPad1,1_4.3.4_8K2_Restore.ipsw)

iOS 4.3.4 for iPad 2 wifi (iPad2,1_4.3.4_8K2_Restore.ipsw)

iOS 4.3.4 for iPad 2 3G (GSM) (iPad2,2_4.3.4_8K2_Restore.ipsw)

iOS 4.3.4 for iPad 2 3G (CDMA) (iPad2,3_4.3.4_8K2_Restore.ipsw)

iOS 4.3.4 for iPod Touch 3G (iPod3,1_4.3.4_8K2_Restore.ipsw)

iOS 4.3.4 for iPod Touch 4G (iPod4,1_4.3.4_8K2_Restore.ipsw)

Download iOS 4.2.9 for Verizon iPhone 4 (iPhone3,3_4.2.9_8E501_Restore.ipsw)