When you think of using a smartphone as a mobile hotspot, the wireless version is probably what comes to mind. But there also USB tethering, which lets you share your phone cellular connection with a computer over a cable. Here how it works, what it good for and how to set it up. For most people, a wireless hotspot is still the easiest way to get a laptop online when youre away from regular Wi Fi. It more flexible, supporting multiple simultaneous connections. And unlike the USB kind, youre...

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