In the modern world, wireless Internet access has become as necessary as electricity or water. We connect to home networks, guest hotspots, and public hotspots daily. However, a situation often arises when you need to provide access to your network to another device, and the password that you set when purchasing the router or configured six months ago is hopelessly forgotten. Owners of smartphones based on Android often wonder where exactly in the depths of the system this treasured code is stored and whether it can be extracted without complex manipulations.
Fortunately, modern versions of Google's mobile operating system provide users with much more freedom in managing network connections than was possible a few years ago. If previously you needed superuser rights or a connection to a computer to view saved passwords, today many models allow you to see security key right in the settings interface. Understanding how the authentication system works in Wi-Fiwill help you not only restore access, but also better protect your personal information from unauthorized intervention.
In this article we will analyze in detail all the possible ways to obtain data about the protection of your wireless network. We will look at standard methods available on most current devices, and also touch on more advanced techniques for experienced users. You do not need to be an engineer or programmer to perform these steps - just follow the instructions carefully and understand what risks may arise when changing system parameters.
Searching for a password through standard Android settings
Starting with version Android 10, and especially in Android 11 and later, Google has introduced a convenient generation function QR codes to quickly connect guests. This feature not only simplifies the connection process, but also often allows you to see the password itself in text form. The mechanism of operation is simple: the system encodes the name of the network (SSID) and the encryption key into a graphic pattern that the camera of another device can easily read.
To use this method, you need to go to the section Settings → Connections → Wi-Fi. Here you will see a list of available networks, and the one you are currently connected to will be marked with a gear icon or highlighted in color. By clicking on the name of your active network, you will be taken to a menu of detailed connection information. It is here, depending on the model of your smartphone (Samsung, Xiaomi, Pixel), that treasured information may be hidden.
⚠️ Attention: On some devices with manufacturer's shells (for example, old versions MIUI or OneUI) the password can be hidden by asterisks even when you click the "Share" button. In this case, the QR code works, but the text password is not displayed.
If there is a "Share" button or icon in the settings menu QR code, click on it. The system will ask you to verify your identity using a fingerprint, face scan, or entering your screen unlock PIN. This is a security measure to ensure that only the owner of the device can access sensitive network data. After successful authentication, a large square code will appear on the screen.
In most modern interfaces, right under this QR code, text like this is written in small font: WPA/WPA2 PSK: your_password. This is the security key you are looking for. If there is no text and only pattern lock is visible, do not despair. You can take a screenshot of the screen and open it in any QR code reader application or Google Lens, which will automatically recognize and show the text content of the image.
If the password is not displayed under the QR code, take a screenshot and open it through Google Photos or any scanner application - they often “see” text that is hidden from direct viewing in the settings.
Using a Google Account to synchronize passwords
The Google ecosystem offers another powerful tool for access control - password synchronization through a cloud account. Known as Smart Lock passwords or simply Google Password Manager, this feature automatically saves the credentials you enter on devices linked to your account. This means that if you have ever entered a Wi-Fi password on your phone and synchronization was turned on, it should be available for viewing.
To access this data, open the settings of your smartphone and find the section Google → Autofill → Autofill from Google. An alternative way is to go to Settings → Security → Password Manager. In the list that opens, you will see all saved logins and passwords, grouped by sites and applications. However, we are interested in the section dedicated to networks.
Some versions of Android display saved Wi-Fi networks in a separate tab or filter inside the password manager. You need to find the name of your wireless network in the list. By clicking on it, the system will again ask for identity confirmation (biometrics or code). After that, you can click on the eye icon to reveal the hidden symbols and see Security key in its purest form.
This method is especially useful if you have changed your phone but are using the same Google account. You don’t need to remember your password or look for a sticker on your router—just go to the settings of your new device, and the entire connection history will be available. It is worth noting that synchronization does not work instantly and may require a stable Internet connection to update the database.
☑️ Checking password synchronization
Viewing saved networks in the file system
For users who prefer a deep dive into the system or own devices without a graphical interface for password settings, there is a file method. The Android operating system stores the configuration of all network connections in a special system file. However, access to this file is by default closed to regular applications for security reasons.
The file containing information about networks is usually named wpa_supplicant.conf and is located along the path /data/misc/wifi/. To read it, you will need superuser rights (Root). Without these rights, the file manager simply will not open this directory or show an empty list. Obtaining root access is a procedure that may void the device's warranty, so proceed with caution.
If your smartphone is already rooted, install any file manager that supports superuser rights, for example Root Explorer or Solid Explorer. Go to the above path and open the file wpa_supplicant.conf in a text editor. Inside you will see configuration blocks for each saved network.
network={
ssid="MyHomeNetwork"
psk="SuperSecretPassword123"
key_mgmt=WPA-PSK
}
In this example, the line psk contains exactly the security keyone you are looking for. If instead of the password you see a long set of characters (hash), this means that the password was saved in encrypted form, and it will not be possible to restore it in a readable format through this file. This approach is found on devices with enhanced data protection.
⚠️ Attention: Obtaining root access (superuser rights) violates the integrity of the Android security system. Banking applications and services with a high degree of protection (for example, Google Pay) may stop working on a rooted device.
What to do if there are no root access?
There are vulnerabilities in older versions of Android that allow you to gain temporary access to system files via a computer and ADB, but on modern versions (Android 12+) this is almost impossible without unlocking the bootloader and completely flashing.
Login to the router web interface
If software methods on the phone itself do not produce results, the most reliable way is to contact the source of the signal - your router. The network security key is stored in the router settings, and you can change it or view the current one by logging into the administrative panel of the device. To do this, you don’t need to have a computer at hand, just a smartphone and a Wi-Fi connection are enough.
Open any browser on your phone (Chrome, Firefox, Samsung Internet) and enter the IP address of your router in the address bar. Most often this is 192.168.0.1 or 192.168.1.1. The exact address, as well as the default login and password, are usually written on a sticker on the bottom cover of the device itself. If you have changed this data previously, use your credentials.
After successful authorization, you will be taken to the control panel. The interface from different manufacturers (TP-Link, ASUS, Keenetic, MikroTik) looks different, but the logic is the same. You need to find a section called Wireless, Wireless mode or Wi-Fi Settings. Inside this section there will be a subsection Wireless Security or Security.
This is where the current encryption type (usually WPA2-PSK) and the field Wireless network password (Wireless Password) are displayed. You can simply copy it or, if the field is hidden by asterisks, click the “Show” button (if there is one in the web interface) or simply replace the old password with a new one that you will definitely remember. Don't forget to press the button Save or Save after making changes.
The web interface of the router is the only way to change the password for all connected devices at the same time, without entering a new key on each gadget manually if you use the WPS function (although it is less secure).
Using the ADB command line without root access
For advanced users who do not want to obtain root access, but have access to the computer, there is a method using the toolkit ADB (Android Debug Bridge). This method allows you to send commands to your phone from a PC and receive responses from the system. However, starting with Android 10, file access wpa_supplicant.conf via ADB is also limited, but there are workarounds to view the list of networks.
First, you need to activate the developer mode on the phone. Go to Settings → About phone and quickly click 7 times on the build number. Then in the menu System → For developers enable USB debugging. Connect the phone to the computer with a cable and make sure that permission to debug from this computer appears on the smartphone screen.
On your computer, open command line or terminal in the folder with ADB installed. Enter the command to enter the device shell:
adb shell
Next, run the command to display information about the current connection, although it may not show the full list of passwords without superuser rights:
dumpsys wifi | grep -i"mConfigKey"
This method is rather technical and may not work on all firmware due to Google's security policies, which are becoming stricter every year. However, it allows you to obtain technical information about the status of the Wi-Fi module, frequencies and signal strength, which can be useful in diagnosing connection problems, even if the password itself remains hidden.
| Method | Requirements | Complexity | Efficiency |
|---|---|---|---|
| QR code in settings | Android 10+ | Low | High |
| Google Account | Synchronization | Low | Medium |
| Wpa_supplicant file | root access | High | Maximum |
| Router interface | Access to the admin panel | Medium | High |
Security measures and caveats
Once you have access to your network's security key, it is important to understand the responsibility for its storage and transmission. WPA2 and modern WPA3 provide strong encryption, but only if you use a complex password. If your key consists of simple sequences like 12345678 or password, cracking it will take an attacker a matter of minutes, regardless of the encryption type.
Never give your home network password to strangers in clear text, for example, in unencrypted instant messengers or on social networks. It’s better to use the guest network feature, which is found on almost all modern routers. A guest network isolates guest devices from your personal computers, printers, and NAS drives, providing an additional layer of security.
Changing your password regularly is a good habit. If you suspect that someone else has connected to your network (for example, the Internet speed has dropped for no apparent reason), immediately change the security key through the router’s web interface. After changing the password, all devices will be disabled, and you will have to reconnect them again using the new code.
⚠️ Attention: Settings interfaces and menu locations may vary depending on the smartphone model and the manufacturer's shell version. If you do not find the described item, use the search inside the settings menu for the word "Wi-Fi" or "Network".
Frequently asked questions (FAQ)
Can I find out the password for Wi-Fi that I have never connected to?
No, it is impossible. The phone can only display the security keys of networks to which it has previously connected and stored the data in memory. To connect to a new network, you need to know the password in advance or use the WPS button on the router (if supported).
Why is the text with the password not displayed under the QR code?
It depends on the smartphone manufacturer and Android version. Some shells (for example, older versions of MIUI or EMUI) hide the text for security reasons, leaving only the pattern lock. In this case, use a QR code scanner on another device to read the contents of the picture.
Is it safe to use applications from the Play Store to view passwords?
Most of these applications require root access to work. Without superuser rights, they will not be able to read system files and will be useless. In addition, downloading dubious utilities can lead to your device becoming infected with malware. Use only proven system methods.
What should I do if I changed the password on the router, but the phone does not connect?
You need to “forget” the network on the phone. Go to Wi-Fi settings, click on the network name and select Delete network or Forget. After that, find the network in the list of available ones and enter the new password again.
Can someone find out my password by scanning my QR code?
Yes, anyone who has access to your screen from QR code and camera with scanner, can instantly get your network password. Therefore, do not take screenshots of the code and do not show the screen to strangers when this information is displayed on it.