A number of iPad users are reporting sluggish Wi-Fi performance following the installation of iOS 4.2. According to a lengthy thread on Apple’s Support Discussions, the problem seems to affect both iPad Wi-Fi and iPad 3G models and multiple brands of routers, including Apple AirPort units; some users report having fixed the issue by rebooting their routers and/or resetting the network settings. It is unclear how widespread the problem is…
