Here you go, from post #11 in this thread.
Yes, it allows you to surf the net on your laptop. "Mobile Hotspot" allows more than one device to be tethered at a time while USB only allows one. You can tether another phone or a tablet with the Mobile Hotspot too. Different features for different people.
Well I tried the instructions posted by bigmook and did exactly what the instructions said. When I go the tethering and mobile hotspot and select the USD tethering it says USB not connected. Is this the a computer issue or phone issue?
Computer I would say. Do you have it set to "charge only" on your phone?
Connect usb. Settings<wireless networks<hotspots and tethering<usb tethering. And it should work. It doesn't automatically start
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What are you running in your laptop? I have no problem on widnows seven. It might be your computer
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