The WiFi icon has three states that I have seen. When the device is connected, it shows the WiFi icon (which I can't describe). When WiFi it is disabled, it shows the outline of the icon. If there isn't anything there, it means that WiFi is enabled, but is not currently connected. This could mean it has never been connected, or it could mean it was connected earlier, but has gone to sleep waiting for the next time something happens that needs the WiFi.
Once WiFi is enabled, the first time you do something that needs the WIFi, the device will search for a known WiFi service. If there is one, it uses it. If there isn't one, it will prompt you with the list of available services for you to select and configure. After that, it will remember this and attempt to use it if it is visible.
Last edited by davidfor; 12-27-2013 at 05:23 AM.
Reason: Missed answering part of the question.
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