I've noticed lately that when I wake my iPhone from standby when it is plugged into a power source (charger or usb on my computer) that the WiFi connection is already there (the phone has been on standby overnight in the case of the charger). I get the impression that the iPhone is maintaining the WiFi connection when it has external power, but have not seen any references to this behavior. I have noticed this since at least 3.1, don't remember if earlier or not.
My iPhone is up to date with OS 3.2.1.
This is not a problem, just curious if anyone else is seeing this behavior?
Orignal From: Does WiFi stay connected when charging ...
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