Go to the home of a friend or relative and ask for the Wi-Fi network key to connect to the network. A cumbersome process that however It can be skipped if we have a mobile with iOS or Android relatively recent and also without having to install third-party applications. We only need the mobile camera.
Having to enter all the characters of the clave Wi-Fi one by one is quite a drag. We can be wrong, the router may be in an awkward position and the password is only on the sticker that is attached to it. To avoid these annoyances, operators and brands have added a QR code that facilitates the process and here we are going to explain how to use it.
With just the mobile camera
Until not long ago, connecting to a Wi-Fi network required that we had to enter all the data by hand. Something we can avoid just by using the camera of our mobile and the QR code that many of the current routers have glued, either on the side or on its base. A series of data appears on the sticker: name of the network or Wi-Fi networks that provide, access code and how to complement a QR code that is the one that serves our purpose.
It is a process that you can carry out both from an iPhone and from an Android phone whose cameras can read QR codes
To use it we only need a mobile, regardless of whether you use iOS or Android. For that we are going to take advantage of the QR code reader that incorporates the camera app of our mobile in the most current models. We will not need third-party applications that often offer advertising or even ask for a subscription.
Connect from Android
If you use a mobile with Android (for the tests I used a Galaxy Note 20 Ultra with Android 12) it is enough to focus with the camera the QR code of the network to which we want to connect. In this point many routers offer two codes: one for the 2.4 GHz network and one for the 5 GHz network.
Once the code is detected We will see a notification on the screen informing us that a Wi-Fi network has been detected. Just click on the message on the screen so that the phone connects instantly and without having to enter the corresponding key of the network to which we want to connect.
Connect from an iPhone
If we use an iPhone or an iOS device with a camera, just focus on the QR code and the phone will be in charge of adding the network and its access code, which it will also be stored so that it connects automatically every time we are near the Wi-Fi network appointment.
In addition, in the case of using an iPhone there is another “extra” method if there is already a device connected to that network. This is the “Share network” option offered by iOS. When trying to access a Wi-Fi network and when dialing the password, a warning appears on nearby devices connected to that network indicating that another device wants to connect and at the same time a button that allows sharing the password.
This process, on Android and iOS is valid as long as there is no changed the SSID of the network, in which case the QR code will no longer be useful. In this case, it is necessary to create a new QR code with the SSID of the network, the type of encryption that the network has and the corresponding password.
Source: Xataka Smart Home by www.xatakahome.com.
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