When in an area without Wi-Fi access, you can use your 3G/4G-enabled smartphone to surf the Internet or use it as a laptop modem. 3G/4G Internet access, though, is usually limited to urban areas where ...

If a computer is unable to configure a valid Internet Protocol address, it can't connect to a network. If you plug a laptop directly into a modem with an Ethernet cable and receive a "No Valid IP ...

I've got a Nokia N73 and somebody told me that I can use it as a modem for my laptop, but I'm not sure how to set this up. It would be really useful because I'm already on a flat-rate data plan and I ...