Apple has released iOS 4.2.9 for the CDMA iPhone 4 and this update address a security vulnerability associated with viewing a malicious PDF file. And also fixed is a vulnerability that could enable malicious code running as the user to gain system privileges. iOS 4.2.9 for iPhone CDMA is available only via iTunes and despite the minimal changes, they’re big, so allot plenty of time to download and install…………….
Apple has released iOS 4.2.9 for Verizon iPhone 4 CDMA and you can download iOS 4.2.9 for Verizon iPhone 4 from the link below. Like iOS 4.3.4, the Verizon iPhone 4.2.9 firmware also patches the PDF vulnerability in Mobile Safari exposed by JailbreakMe 3.0, the iOS 4.3.3 jailbreak tool by Comex. If you want to keep enjoying your untethered iOS 4.2.8 jailbreak, stay away from iOS 4.2.9 firmware. iOS 4.2.9 is released just to patch the JailbreakMe 3.0 PDF exploit. There’s no need to install iOS 4.2.9 when jailbreakers can patch the exploit with PDF Patcher 2 available in Cydia. For install iOS 4.2.9 connect your iPhone/iPod Touch/iPad to iTunes, new firmware 4.2.9 availability message should appear, then hit the Download and Install button. You can also download iOS 4.2.9 firmware from the links below. Hold down the Shift (Windows) or Alt/Option (Mac) key and hit the restore button on iTunes and select the downloaded IPSW file.
Download iOS 4.2.9 for Verizon iPhone 4 (iPhone3,3_4.2.9_8E501_Restore.ipsw)