Whenever we connect to a network from our Android the WiFi password of this network is saved in the system to avoid having to enter it again in the case of wanting to connect to it again. Passwords are stored by default without encryption within the device itself, but the file has access blocked to all non-root users, so we must have superuser permissions on the device to see these keys.
There are several applications that allow us to easily consult the passwords of the wireless networks stored in our device, but all of them will need superuser permissions on our smartphone or tablet. One of the simplest applications designed for this purpose is the one indicated below, but it is not the only one and if you want to recover the WiFi passwords of your mobile , you can also try WiFi Password Viewer. You have more information in the previous link.
How to view WiFi passwords stored on your mobile with WiFi Password
The first thing we must do is download and install the WiFi Password application on our device. This application is available completely free of charge within the Google Play Store.
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Wifi Password (ROOT)
Developer: farproc
Price: Free
Once installed we execute it and the first thing we will see will be a notice from the developers that they indicate that their application is not a software to guess or crack passwords but it is only limited to showing the WiFi passwords stored in the device to be able to consult them at any time .
Once accepted this message will load the main window of the application where we will appear listed all the WiFi networks that we have stored in our device to which we have connected before.
The only thing we must do next is to take a screenshot to save them in a safe place or click on any of the networks and we will copy to the clipboard of our device the selected key that we can send through any of the messaging clients installed in the smartphone or by email to keep a backup copy of this key on our computer.
This application has no more functions than showing the WiFi passwords stored in the device and allow copying them to the clipboard, so if you expect some other utility for this application (connect to networks, guess passwords, etc) WiFi Password will not meet expectations.
How to view WiFi passwords stored in Windows 10, Mac, etc.
And on the other hand, if you have come to this article looking for how to discover the WiFi password of your network that you have forgotten but you just do it from your mobile phone, quiet. At your disposal we also have the way to discover the password that you have put to the router both from computers with Windows 10 and from other operating systems such as MacOS. You just have to go through the following article to see how you can recover the WiFi password from these other platforms.