Download iOS 4.0.1 for iPhone 4, 3GS, 3G Build 8A306
Apple has released the iOS 4.0.1 for iPhone 4, 3GS, 3G and iPod Touch 3G, 2G and is now available for download. You can download iOS 4.0.1 from the links below. iOS 4.0.1 is released to fix the reception issue. iOS 4.0.1 is available for download for iPhone 4, iPhone 3GS, 3G and iPod Touch 3G, 2G. To install iOS 4.0.1 on your device, connect your iPhone/iPod Touch to iTunes, new firmware availability message will appear then hit the “Download and Install” button. You can also download iOS 4.0.1 firmware from the links below.
WARNING: All the jailbreakers and unlocker MUST stay away from iOS 4.0.1 until further notice.
Download iOS 4.0.1 Firmware from below: