A number of iPhone users are reporting intermittent problems with Wi-Fi after installing iPhone OS 2.2.1, which have since been linked to a battery issue by one intrepid user. According to an Apple Discussions thread, affected units randomly drop Wi-Fi signals, refusing to reconnect to any network for a period of time. Originally, many of the users believed the problem to be heat-related, as some users reported success after putting their phone in…
