For Blackberry
As well as Samsung Galaxy
Question: What Is Tethering?
Answer:
"Tethering" is the use of your cell phone (or other mobile device that's connected to the internet) as a modem for another device, usually a laptop or a Wi-Fi-only tablet. This gives you internet access on the go, wherever you are--e.g., if you're trying to work at a hotel that doesn't have free Wi-Fi (shame on them!) or your internet access at home is down for some reason. You connect your phone to your laptop or tablet either directly with a USB cable or without wires through Bluetooth or Wi-Fi. (In the good old days, we tethered devices via infrared.)
Benefits of Tethering
Tethering enables us to go online from our laptops, tablets, and other mobile devices like portable gaming systems even without a built-in 3G or 4G mobile data plan. It's especially helpful in situations where there's no other means of Internet access: when there's no Wi-Fi hotspot like a Starbucks around, for example, or your cable modem goes on the fritz, or you're on a dirt road in the middle of nowhere and need an online map quick...you get the idea.
If you're already paying for data service on your cell phone and your wireless provider doesn't require any extra fees for using your cell phone as a modem for your laptop, tethering can also save you money, since you won't have to pay for separate mobile broadband service or buy additional hardware just to get your laptop connected.
You can also surf the web more securely using a tethered cell phone, because your information is being sent directly through the phone versus, for example, over a public open wireless hotspot.
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