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How to use a smartphone to connect other devices to the Internet

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The possibilities of modern smartphones are enormous. Authentic miniature computers, they stand out for their versatility for various fields of use in addition to voice and video communications, such as photography or mobile gaming tasks, to give two examples. But there are other use cases. One of them is the one we are going to review today and it tries to use the data rate of the smartphone to turn it into a Wi-Fi access point and thereby provide Internet to other devices.

Smart phones are the reference device to connect to the Internet and its services in mobility. The arrival of 5G networks and (relatively cheap) flat data rates have greatly increased their cell phone capacity. Why not make the most of this type of network to connect other equipment?

Wi-Fi hotspots

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It must be said that currently public Wi-Fi wireless networks are quite widespread, but they have their problems in terms of range, performance and especially security. Insecure by default as you can’t tell who’s looking from behind, they should only be used on an occasional basis and for no essential or personal data entry tasks. Converting your smartphone into an access point will offer you much more security and also better performance.

It should be noted that not all service operators allow it and that, to use it, we need to have a good amount of data available, preferably an unlimited data connection from which now with the performance of 5G we can obtain great benefits and in some cases, avoid contracting of additional services such as fixed Internet for the home by fiber or similar.

How to turn a smartphone into a Wi-Fi hotspot

Also note that most smartphones cannot connect to Wi-Fi networks while in hotspot mode as they will use their antennas to allow other devices to connect. And if autonomy is a problem, keep in mind that under this mode your terminal will consume more battery.

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Finally, if you pay per use or your data rate is very low, forget about this article (except for an emergency) because the consumption is high, especially if you are dedicated to performing high-bandwidth tasks such as streaming, P2P, large file downloads or mobile games.

How to turn a smartphone into a Wi-Fi hotspot

Pointed out the previous warnings to take into account (especially the amount of available data with which you have accounts), it must be said that using this function of Hotspot it is extremely simple. The management varies depending on the manufacturer of your terminal, but it will not be very different from what is done from a Samsung Galaxy S10 with Android 12 that we use as an example:

  • Access the general “Configuration” or “Settings” tool and look for the “Connections” section. Depending on the terminal, the Android version or the manufacturer’s user interface, you can find it with another name.

internet access point

  • Access the “Shared Connection and Modem” section.
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internet access point

  • Activate and click on “Shared connection”.

Sharing the Internet connection of a smartphone with a PC or other mobile devices 33

  • Change to your liking the name of the connection that the other devices will see, for the example “HotspotMC”. Enter the access password, as long and strong as possible.

Sharing the Internet connection of a smartphone with a PC or other mobile devices 35

From here you can share the Internet connection of your smartphone. Simply connect from the desired device or PC to the Wi-Fi network by selecting the access point and created password.

As advanced functions for increase security, you can use the “Hide device” function so that no one can see that it is active. If you want to add even more security, you can enable only those devices that you specifically allow to connect. It is done in the connection sharing settings based on the filtering of the MAC address, a unique encoded identifier of origin, which we have reviewed in other practical articles on router configuration.

Sharing the Internet connection of a smartphone with a PC or other mobile devices 37

usb modem

Another connection sharing option on Android is even simpler than the previous one, although not as powerful (up to 10 devices can be connected wirelessly to an access point) and it also requires a physical connection between the smartphone and the device to which we are going to connect. For the example we connect a Samsung smartphone to a PC with Windows 10 with its corresponding drivers enabled and the connection between them made correctly.

  • If we access the configuration page> Shared configuration and mobile modem, we will see that the possibility of sharing via “USB Modem” has been added.

Sharing the Internet connection of a smartphone with a PC or other mobile devices 39

  • We simply activate it to see that the Windows PC adds new connection possibilities, both a new network using the smartphone’s mobile data or its connection.

Sharing the Internet connection of a smartphone with a PC or other mobile devices 41

  • This type of connection is ideal when we want to provide connectivity to only a certain device. In addition to being a very simple function to enable, the best thing is that you can use the terminal’s Wi-Fi connection and not just your data rate. It can be managed to control the connection from

Sharing the Internet connection of a smartphone with a PC or other mobile devices 43

bluetooth modem

Similar to the previous one, but in this case wirelessly without wires. This way you can share your phone’s Internet connection by linking it to another device using the Bluetooth standard. From here the connection occurs by pairing devices. If the device has been connected before, you can reconnect it whenever you need in the list of redirected devices.

Sharing the Internet connection of a smartphone with a PC or other mobile devices 45

An interesting function that of turning the mobile into an Internet access point to share the connection, which we can use for emergencies if we do not have a good mobile rate and for more powerful uses if we have a lot of data to spend. The lucky ones who have an unlimited mobile data rate and with 5G will be able to extract the full potential of this feature and potentially do without other types of fixed or mobile Internet services.

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