Modern smartphones Samsung based on the operating system Android have an advanced interface that allows users to manage most network parameters without the need to obtain superuser rights. One of the most requested features is the ability to view saved access keys to wireless networks.
Previously, this required installing third-party applications or obtaining root accesswhich often led to loss of warranty. Today, built-in tools One UI allow you to solve this problem using standard means, ensuring a high level of data security.
In this article we will analyze in detail the algorithm of actions for devices of different generations, explain how the QR code generation system works, and answer questions that arise when trying to recover lost data for connection.
Preparing the device and checking the Android version
Before you start searching for saved data, you need to make sure that your device supports this function at the software level. The ability to view the key appeared in the mass segment starting from version Android 10, however, full integration into the settings menu without hidden codes was implemented in the shell One UI versions 3.0 and higher.
Check that the firmware of your gadget is up to date. Go to menu Settings → About device → Software information. If you have an outdated version installed, the system may not display the necessary menu items or require you to enter biometric data in a non-standard way.
Make sure that the phone is currently connected to the same network for which you want to find out the password, or has previously successfully connected to it and saved the profile in memory. Without a saved profile in the system database, it is impossible to retrieve information.
⚠️ Attention: The menu interface may vary slightly depending on the smartphone model (A, S or M series) and the regional firmware version. The names of the items may vary, but the transition logic remains the same.
If you are using a corporate version of the software or a device with security policies installed MDM, the password viewing function may be blocked by the network administrator.
Searching for a password through the connection menu
The main method for obtaining information about the network is located in the standard section of the wireless module settings. Open the main menu and go to the Connectionssection. Here are all the parameters related to data transfer, including Wi-Fi, Bluetooth and mobile data.
Click on the name of the active network or on the gear icon to the right of it. This action will open a detailed window with information about the current connection, which displays the IP address, channel speed and security status.
At the bottom of the screen you will see a button QR code. Clicking on it generates a graphic cipher containing all the necessary data to automatically connect another device. In modern versions One UI under this code, a text line with a password is often immediately displayed.
☑️ Check before viewing
If the text line does not appear immediately, take a screenshot of the generated QR code. For this, a combination of buttons is usually used Volume down + Power. After saving the image, open it in the gallery or through the built-in QR code scanner so that the system decrypts the contents.
Using Google Lens for decryption
In cases where the system does not show the password in text form under the QR code, the built-in tool comes to the rescue Google Lens (Google Lens). This technology allows you to analyze images and extract text information from them, including data encrypted in graphics.
Open the application Google or Google Photos on your device Samsung. Find the screenshot you took earlier with the network QR code. Click on the lens icon or button Search by image.
The system will automatically recognize the code and suggest actions related to it. In the analysis results you will see a line like WIFI:S:MyNetwork;T:WPA;P:12345678;;. The required access key will be located after the symbol P: and before the semicolon.
If you do not have a screenshot, show the QR code on your phone screen to a second device with the Google Lens application installed - it reads the data directly from the screen.
This method is universal and works even on those versions of Android where direct output password in the settings has not yet been implemented by the interface developers.
⚠️ Attention: When using third-party QR code scanners from the app store, be careful. Some of them may request redundant permissions. Google's built-in service is the most secure option.
View through Google settings
Starting with the 2023-2026 security updates, Google has introduced a single password manager that syncs with your account. On smartphones Samsung this function is available through the settings of the Google ecosystem itself, and not just through the phone menu.
Go to the section Settings → Google → Autofill → Autofill from Google. Next, select item Google Password Manager. You will need to pass biometric authentication or enter your screen lock PIN.
In the list of saved data, find the name of your wireless network. They are often sorted alphabetically or by date of last use. Clicking on the desired element will take you to a page with detailed information.
Click on the eye icon in the password field to display hidden characters. Here you can copy the combination to the clipboard for quick pasting on another device.
| Viewing method | Required Android version | Internet availability | Complexity |
|---|---|---|---|
| Wi-Fi menu (QR) | 10 and above | Not required | Low |
| Google Lens | Any | Desirable | Medium |
| Google Manager | 9 and higher | Required | Low |
| ADB commands | Any | Not required | High |
Synchronization with a Google account allows you to recover passwords even after completely resetting the phone to factory settings.
Advanced methods for advanced users
For specialists or enthusiasts who find standard graphical interfaces insufficient, there is access through software debugging USB. This method requires connecting the smartphone to the computer and installing drivers Samsung USB Driver.
Activate developer mode by clicking 7 times on the build number in the section About the device. Then enable USB debugging from the developer menu that appears. Connect the phone to the PC and launch the command line with administrator rights.
Enter the command to enter the device shell:
adb shellNext, using superuser rights (if any) or special queries to the system databases, you can download the configuration file. However, on modern devices without root access, this path is closed for direct reading of files wpa_supplicant.conf.
Why can’t you just read the file?
In modern versions of Android, files with passwords are encrypted and are accessible only to system processes. Direct access is blocked by the SELinux mechanism.
An alternative is to use settings backup applications, such as Swift Backupwhich, if you have root access, can download all network configurations in a readable form.
Possible problems and solutions
Sometimes users are faced with a situation where the QR code button is inactive or displays an error. This may be due to the fact that the network is configured as a corporate network using security certificates EAPrather than a simple WPA2 password.
In such cases, the standard key exchange mechanism does not work, since authentication occurs not through a static string, but through a dynamic certificate. It is impossible to find out the “password” in the usual sense here.
Also, the problem may occur if the system cache of network settings is damaged. Try to forget the network and connect again if you have the opportunity to enter the key manually from another device.
⚠️ Attention: If you have forgotten the password for a network to which you are not currently connected, and the phone has never saved it in a visible profile, it is impossible to restore it using software methods without access to the router.
Make sure that the device is not in power saving mode, which may limit the operation of background security services and interfere with the correct generation of access codes.
Security measures when transferring data
Displaying a QR code on the smartphone screen is a convenient, but potentially vulnerable way to transfer data. Anyone nearby who has a camera can read the code and gain access to your network.
Never post screenshots of QR codes of your home network on social networks or instant messengers. Attackers can use special scripts to scan such images en masse.
Use the function Guest network on your router to connect visitors. This isolates the main network with your personal devices and data from extraneous gadgets.
Change your Wi-Fi password regularly, especially if you suspect that someone else may have accessed it through a QR code or a shared password database.
Remember that the security of your local network directly depends on the complexity of the access key. Use combinations of letters of different case, numbers and special characters with a length of at least 12 characters.
Is it possible to find out the password if the phone is not connected to this network?
No, standard Android tools can only view those networks to which the phone has previously connected and saved a profile. If the profile was deleted (Forget Network function), the data is lost.
Why is the password text not displayed under the QR code?
This depends on the version of the One UI shell and the phone model. On older models or in some regions, the text is hidden and requires decryption via Google Lens or a QR scanner.
Is it safe to save passwords in your Google account?
Yes, data is encrypted during transmission and storage. Access to them is possible only after authentication of the account owner on the device.
What to do if the QR code button is gray?
Make sure Wi-Fi is turned on and you are connected to the network. If the problem persists, restart your phone or check for system updates.
Is it possible to transfer a password to an iPhone via Samsung?
Directly through a system exchange (like between two iPhones) is not possible. But you can show a QR code from the Samsung screen, and the iPhone successfully considers it a camera for connection.