A rash of Wi-Fi connectivity and signal strength complaints have cropped up after Apple's iPhone OS 3.0 software update. Some users complain that their iPhones and iPod Touches drop from Wi-Fi unexpectedly; others that they can't connect to the Internet at all. Some users have been able to resolve connectivity problems by resetting their network connections (via Settings > General > Reset > Reset Network Settings), but this simple fix hasn't worked for everyone. In some cases, not even a total system restore fixes the problem.
Apple has finally acknowledged the problem in a technical service … Read more