With the release of iOS 4.3.2 for GSM iPhone 4, iPad 2, iPad, iPod touch 3G/4G, iOS 4.2.7 is also available for Verizon CDMA iPhone 4 owners. Last big update for Verizon iPhone was released in February. To get your Verizon iPhone to 4.2.7, plug your device and open iTunes 10.2.1 on your computer. iTunes will automatically tell you that there is an update 4.2.7 available for your device. Click download and update and for the iTunes to do its task.
Download iOS 4.2.7 for verizon iPhone 4