As expected, Apple has just released firmware 4.0.1 for iPhone 4, iPhone 3G and iPhone 3G. This update includes the promised patch that the mobile signal is displayed more accurately. With this update, Apple also would be the much discussed antenna problem should be resolved, with the strokes greatly decreases when the iPhone in some way held in left hand. Following are the download links to save firmware on your PC/Mac for future use.
- Download iOS 4.0.1 ipsw for iPhone 4 here.
- Download iOS 4.0.1 ipsw for iPhone 3G S here.
- Download iOS 4.01. ipsw for iPhone 3G here.