iOS 4.0.1 for iPhone and iOS 3.2.1 for iPad Now Available

"iOS 4.0.1 is officially out via iTunes. The only thing Apple says it does is 'improves the formula to determine how many bars of signal strength to display.'"

Available via the usual route, and fixes the signal strength display, but that is about it. In another story, they also issued an update for iPads, iOS 3.2.1. The iPad update fixes a Wi-Fi issue and also adds Bing to the search options.