The Apple support forums are filled with complaints, because the upgrade to iPhone OS 3.0 software is Disable the Wi-Fi connectivity
According to the complaints, when users of the new version of its phone system oerativo can not maintain a Wi-Fi, although it seems otherwise, because there is no transmission of data.
The problem seemed to start when I install the software and reboot the system, ut if it stays in standby mode and save energy and recover their state no longer can re-connect, so you must turn off is turned on again
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