Your friends did everything right, I would also recommend buying tablets without 3G/4G module and I own one. There are three main reasons for that: firstly, the device itself will be cheaper, and the resulting difference is better to invest in some more memory, especially if the device lacks memory card slot. Secondly, you don’t have to pay a monthly fee for the second web connection. Thirdly, almost any smartphone can create a Wi-Fi spot and share Internet with other devices. And now I'll show you how to do it.
Sharing Internet connection from Android smartphone
Go to the “Settings” menu and choose “Wireless & Networks”, then “More” and “Tethering & portable hotspot”. There are three options for Internet sharing: via Wi-Fi, Bluetooth and cable connection. You can choose a name for the network and create your password.
You can also create the open network that doesn’t require entering a password, but I don’t recommend using this option. By the way, if you have already set up your Wi-Fi spot, you can just go to Settings and pull the upper shutter, where you find the icon “WLAN hotspot”.
Sharing Internet connection from iPhone
Go to “Settings” menu and you will see the “Personal Hotspot” as the fifth item from the top. Select it and turn on the mode. The network name can’t be set, it is created automatically.
You can change the automatically generated password to a simpler one. There is no opportunity to create a Wi-Fi connection without a password. And there are 3 ways to share the Internet connection, just like in Android.
Of course, there are some drawbacks in sharing the Internet from your smartphone, such as shorter battery life, but there are definitely more pros in this situation.
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