Tech

Use smartphone as a mobile modem: smartphone hotspot


If you want to surf with your notebook on vacation, you don’t need a UMTS stick. Instead, connect to the Internet using your Android smartphone or iPhone. The notebook then accesses the smartphone hotspot via WLAN, which acts as a WLAN router or cell phone modem.

You can easily use a notebook (Windows, Linux, Mac OS), a desktop PC (Windows, Linux, Mac OS), a tablet (Android, iOS, Windows) or another WLAN-enabled device on vacation on the beach or in a holiday home Go device online – without the notebook or desktop computer or tablet having to have its own SIM card / UMTS / LTE module. The only requirement: your laptop or PC must be able to establish a WLAN connection. Because via the WLAN you connect the computer to an iPhone or an Android smartphone, which takes over the role of the modem. This solution is also known as a cell phone modem.

Set up a WiFi hotspot on your smartphone. And then you can surf the Internet with your notebook via the smartphone hotspot. This process, i.e. surfing with a computer on the Internet via a smartphone hotspot or a cell phone modem, is called tethering.

We explain for iOS and Android how to set up a smartphone hotspot as a modem for the PC.

How to set up the WiFi hotspot on an Android smartphone

The Android operating system has integrated the “Tethering” function since version Android 2.2 Froyo. From a technical point of view, there has been nothing standing in the way of using an Android smartphone as a cell phone modem for years.

Here you turn on the hotspot on the android. This turns your android into a cell phone modem.

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Here you turn on the hotspot on the android. This turns your android into a cell phone modem.

To do this, select “Settings, Wireless & networks (this menu item may be located under” More “), Mobile network sharing (alternatively this menu item may also be called” Tethering & mobile hotspot “) in Android.” The correct way is for Galaxy devices: “Settings, connections, mobile hotspot and tethering”. The exact description of the menu items can therefore vary depending on the smartphone manufacturer and Android version, the only thing that is important is that you finally click on “Mobile WLAN hotspot ” land.

Then activate “On” under “Mobile WLAN hotspot”. You can switch off the hotspot here at any time.

Here you can configure the smartphone hotspot on the android.

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Here you can configure the smartphone hotspot on the android.

Then tap on “Mobile Wi-Fi hotspot” to check the settings and change them if necessary. You will now see the hotspot name (SSID): This name will then appear as the WLAN name in the notebook.

You will also see the password. If a password has not yet been set, do so now. Otherwise, anyone who discovers your WLAN can connect to it and surf over it.

In addition, the “Mobile WLAN hotspot” menu shows you whether and how many devices are connected to the hotspot and what these devices are called.

Under the menu item “Advanced” (accessible via the three dots at the top right) you can determine whether you want to hide the SSID, which security standard is selected (for all current devices, the WPA2 PSK) and which WLAN frequency band is set . You can also see the energy mode here: after how many minutes of inactivity the hotspot turns itself off.

Note:

You can only make changes in the hotspot configuration if the hotspot is switched off.

Your Windows, Linux or Mac OS notebook or Windows, Linux or Mac OS computer will automatically recognize the new WLAN if the WLAN function is activated on the laptop / PC. Select the SSID of your hotspot and enter the password. You only have to enter the password once, the computer remembers the setting.

Click here for the hotspot menu on the iPhone. WiFi must be activated on the iPhone for this.

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Click here for the hotspot menu on the iPhone. WiFi must be activated on the iPhone for this.

How to set up WiFi hotspot on an iPhone

Select “Settings, Personal Hotspot” in the iPhone. Turn on the hotspot there. You can turn the hotspot off here at any time. Then enter a password the first time you use it. You will then find the SSID of this smartphone WiFi hotspot again on your computer in the WLAN display area.

Here you turn on the hotspot on the iPhone and set the password.

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Here you turn on the hotspot on the iPhone and set the password.

Note:

Most mobile phone providers do not allow tethering via smartphone or cell phone as standard or require a significant monthly surcharge if you want to do tethering via your mobile phone contract. However, if you only use tethering occasionally and the resulting traffic volume remains manageable, your provider should not notice this.

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