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Since yesterday, I have disabled mobile internet on my phone since my data ran out. Just a while ago when I connected my mobile to laptop to sync with Zune, I received mail on my phone. Later I browsed Internet Explorer and WhatsApp. Everything worked great. Therefore, I rechecked the mobile network to see if it was off. And yes, it was still off.

Then I realized it might be using my laptop connection which is connected to a LAN network for internet browsing.

So, my question is what happens to mobile internet connectivity when it's connected to a laptop. Does it automatically use any available net connection from the laptop, or just the via-LAN internet?

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Windows Phone uses your computer's internet connection only when the Zune software is open and connected to your phone. Your internet connection is then shared to your phone via Zune.

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Source:… – row1 Dec 4 '12 at 1:51
great. Glad I discovered it. Else until now I was first starting the WiFi hotspot on laptop and then using it. – Pankaj Upadhyay Dec 4 '12 at 11:30

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