iOS 4.0.1 update released for iPhone
Apple released the iOS 4.0.1 update to download for iPhone users today. The update addresses the signal issue that many iPhone 4 users have complained about, or as Apple says in the release notes: “Improves the formula to determine how many bars of signal strength to display”
Download iOS 4.0.1 Update for iPhone
The download is available for iPhone 3, iPhone 3GS, and iPhone 4 users.
To download and update your device, plug your iPhone into your computer and sync it with iTunes. Then click the Update button and you will be able to download and install the iOS 4.0.1 update.