It's quite common for smartphone owners to need to connect a new device to the network but forget the password. Samsung Galaxy A51 People often wonder if it's possible to recover lost data directly from a phone that's already online. Fortunately, modern versions of the operating system Android provide users with several effective tools to solve this problem without having to reset the router.
Previously, viewing saved access keys required superuser rights (root), receiving which could void the device's warranty. However, with the release of Android 10 and the shell One UI Samsung has significantly simplified the process. Now you can view the encrypted key or generate a QR code to quickly connect your devices using standard security features.
In this article, we'll take a detailed look at all current methods for restoring network information. We'll cover standard interface tools, cloud backup capabilities, and advanced debugging techniques. The key requirement for most methods is that the Samsung A51 device itself must already be connected to the target network..
Using the QR code feature in One UI
The easiest and safest way to find out your WiFi password Samsung A51 — This is the use of the built-in QR code generation function. This feature was introduced in Android 10 and higher updates, allowing you to share network access with other devices. You don't need to install third-party apps or access system files.
To get started, open your smartphone's settings. Go to the section Connections and select the item Wi-FiIn the list of available networks, find the one you're currently connected to or previously saved. Next to the network name, there may be a gear icon that you can click to access the detailed menu.
At the bottom of the screen, below the network name and connection status, you will see a button QR codeClicking on it generates a graphic code. If the system asks for identification, you'll have to enter your screen unlock PIN or fingerprint. This is a standard security measure. Samsung.
⚠️ Note: On some One UI firmware versions, the code may be displayed immediately, while on others, it may require additional authorization. Don't be alarmed if the system requests biometrics; this is normal behavior.
After the code appears on the screen, the password itself is often written in plain text underneath it. If the text is hidden, you can simply take a screenshot (usually a combination of the volume down and power buttons) and open the image via Google Lens or any QR code scanner to read the text string.
Viewing the password through the router settings
If the standard interface Samsung A51 For some reason, the password isn't displayed in plain text, but you can still access the router's administrative panel. Since your phone is already connected to WiFi, it has direct access to the local network and can open the router's management page.
You will need to find out the gateway IP address. Go to Settings → Connections → Wi-FiClick the gear next to your active network. Scroll down to the section View settings or Additionally. The gateway IP address will be indicated there, most often it is 192.168.0.1 or 192.168.1.1.
Enter this address into the address bar of any browser on your phone (Chrome, Samsung Internet). The login page will open. If you haven't changed the default data, try pairing admin/admin or admin/passwordThe exact details are often written on a sticker on the bottom of the router itself.
After successful authorization, find the section Wireless, Wireless network or WLANIn the Security subsections there will be a field Wireless Password or PSK KeyThere the password is displayed in clear text and can be copied or rewritten.
What should I do if my router login and password have been changed?
If the default login/password pair doesn't work and you don't remember them, you'll have to reset the router to factory settings. To do this, locate the small reset button on the router while it's turned on and press it with a paperclip for 10-15 seconds. After the reset, the data will return to the default settings (as indicated on the sticker), but you'll have to reset the internet settings.
Using Google Password Manager
Ecosystem Google Automatically syncs saved WiFi passwords between devices if you use the same account. Samsung A51 This feature is integrated into the system and is accessible through account settings.
Open Settings smartphone and scroll up to the item Google. Select a tab Autofill, and then Google AutocompleteIn the menu that opens, find the section Passwords or Password manager.
Find your WiFi network name in the list of saved data. The system will ask for identification (Face ID, fingerprint, or PIN). After logging in, you will see a login (usually the network name) and a password field. Click the eye icon to reveal hidden characters.
- 🔑 This method only works if sync has been enabled.
- 📱 Data is available from any device where you are signed in to this Google account.
- 🛡️ The password is securely encrypted and transmitted over a secure channel.
⚠️ Note: If you recently changed your WiFi password and your phone connected automatically, Google Password Manager may still have an older version of your data. Always check the last updated date.
Advanced Method: ADB and Developer Privileges
For users who aren't afraid of technical manipulation, there's a method via USB debugging. It allows you to extract the system file containing the network configuration without obtaining full data. root rights, but requires a computer.
First, enable developer mode on Samsung A51Go to . Settings → About the phone → Software Information. Click 7 times quickly on the item Build numberA message will appear stating that developer mode has been activated.
Return to the main settings menu, a new item will appear at the bottom Developer OptionsFind the option there. USB debugging and turn it on. Connect your phone to your computer using a cable. The ADB drivers must be installed on your PC.
adb pull /data/misc/wifi/WifiConfigStore.xml c:/wifi_config.xmlThis command will copy the configuration file to your computer. However, without root access, the Android system may prevent you from reading this file. In this case, this method will only work on older versions of Android or if there are specific vulnerabilities. For modern versions One UI This method often requires unlocking the bootloader first.
☑️ Preparing to use ADB
Comparison table of recovery methods
To help you choose the right option, we've organized the methods in a table. It will help you assess the risks and resources required for each procedure.
| Method | Need a PC | Root rights | Complexity |
|---|---|---|---|
| QR code | No | No | Low |
| Router settings | No | No | Average |
| Google Account | No | No | Low |
| ADB / Root | Yes | Desirable | High |
As you can see from the table, for most users Samsung A51 The first method is the optimal solution. It doesn't require any additional equipment or knowledge. Using third-party apps from the Play Market is often ineffective, as modern versions of Android block access to system password files for non-rooted apps.
Possible problems and their solutions
Despite the simplicity of the procedures, users may encounter difficulties. For example, the QR code button may be missing from the interface. This often happens on custom firmware or very old software versions. In this case, update the system via Settings → Software update.
Another issue is the inability to open the router's page. The browser may return a connection error. Make sure you're using the gateway IP address and not DNS. Also, try opening the page in incognito mode to eliminate the browser cache.
If you are trying to use third party apps like WiFi Password ViewerRemember: without root access, they only show asterisks or require complex actions via ADB. Don't trust apps that promise to "hack" any WiFi—they're usually scams.
⚠️ Note: Android interfaces and versions are constantly being updated. The layout of menu items may vary slightly depending on the version of One UI installed on your Samsung A51. If you don't find the item you're looking for, try searching in the settings.
Frequently Asked Questions
Is it possible to find out the WiFi password if the phone is not connected to it?
No, this can't be done using standard Android tools. Your phone must have an active connection or a previously saved network profile with a password. For networks you've never connected to before, you'll need specialized knowledge and security audit equipment.
Are password viewer apps safe to use?
Most of these apps on Google Play are useless without root access. Those that require root access can be dangerous if the developer is unscrupulous. It's better to use built-in features. Samsung or Google, as they are protected by the Knox and Play Protect security systems.
What should I do if the QR code cannot be read by another phone?
Make sure the second device's camera is clean and focused. Also, check the screen brightness. Samsung A51 — it should be the maximum. If the problem persists, try taking a screenshot and sending it via messenger, then scan the code from there.
Will resetting network settings reset the password?
Yes, reset network settings (Settings → General settings → Reset → Reset network settings) will delete all saved WiFi networks and Bluetooth passwords on the device. You'll have to re-enter the keys.