Owning a flagship smartphone Samsung Galaxy S8 While the Internet provides users with a wide range of multimedia and networking capabilities, access to these capabilities is often limited by forgotten wireless network credentials. It's common to need to connect a new gadget or laptop and not know the password for your current access point. Fortunately, the operating system Android, starting with certain versions, allows you to save and display saved security keys directly in the device interface.
The process of restoring access depends on the version of the operating system installed on your S8If you have upgraded to Android 10 (One UI 2.0 and above), the process takes just seconds thanks to the built-in QR code function. For older versions, such as Android 9 Piewhich is common on this device out of the box or after a reset, may require additional steps or use root rightsIn this article, we'll examine all available methods in detail, eliminating complex technical manipulations where possible.
It is worth noting that data security in Samsung is a priority, so the system hides passwords by default. However, there are legal ways for device owners to view saved networks. We'll cover the system's built-in tools, as well as alternatives in case the standard path is unavailable. The key requirement for most methods is that the device must have administrator rights or be pre-synchronized with a Google account.
Using the QR Code feature in Android 10 and One UI 2.0+
The simplest and most secure method is available to users who have updated their Samsung Galaxy S8 to Android 10In this version of the interface One UI A native QR code generation feature has been added for the current network. This code contains encrypted information, including SSID network and the password itself. Accessing this information doesn't require third-party apps or complex settings.
You need to go to the settings menu and select the section Connections. Next, click on the item Wi-FiIn the list of available networks, find the one you're currently connected to, or select a previously saved network from the "Saved Networks" list (if this option is available in your firmware). Clicking the gear icon next to the network name will open a detailed menu.
At the bottom of the screen you will see a button QR code or icon. After clicking, the system will ask you to confirm your identity via PIN code, a pattern, or a fingerprint. This is a standard data security measure. After successful authentication, a QR code will appear on the screen. A plain-text password is often written underneath it, but if one isn't available, you can take a screenshot and scan the code using Google Lens or any QR code scanner installed on another device.
⚠️ Note: The option to display the password under the QR code is not available in all regional firmware versions. If the text is missing, use another phone's camera to scan the image—many modern photo galleries automatically detect network data.
Verification via Google account settings
If direct access via Wi-Fi settings on S8 If this is not possible, it is worth turning to cloud backups. Ecosystem Google It can sync Wi-Fi passwords between devices linked to the same account. This feature has become standard in recent versions. Android, but the data can also be accessed via the web interface.
To check, go to your settings Google account via a browser on a computer or other smartphone. Go to the section Security and find the item Password manager (Password Manager). This is where all saved credentials are stored, including wireless network keys if wireless synchronization has been enabled.
In the list you will find saved networks by their names (SSID). After clicking on the desired entry, the system will ask you to confirm the login. After that, a card will open with your login and password. Next to the password field, there's usually an "eye" icon that displays hidden characters. This method is especially convenient if the phone itself Samsung S8 unavailable or blocked.
- 🔒 Access to the password manager is protected by Google two-factor authentication.
- 🔄 Synchronization occurs automatically when connected to the Internet.
- 📱 You can view your data from any device where you're logged into your account.
What to do if syncing was disabled?
If password syncing was disabled in your Google account when you connected to the internet, your data won't be saved to the cloud. In this case, you won't be able to recover your password through your account, and you'll have to use local methods or reset your router.
Using root rights and file managers
For owners Samsung Galaxy S8, which have not updated to Android 10 and do not have access to cloud copies, the option of receiving remains root rightsThis provides full access to the device's file system, where all network configurations are stored in protected system files. However, this method requires caution and technical literacy.
The file containing the data you are looking for is called wpa_supplicant.confIt is located along the way. /data/misc/wifi/. Without superuser rights (root) access to this directory is restricted for any applications or the user. Access is usually obtained by flashing a custom recovery (for example, TWRP) and installing the binary Magisk or SuperSU.
After obtaining rights, you need to install a file manager with root support, for example, Root Explorer or ES File Explorer (in older versions). Opening the file wpa_supplicant.conf in a text editor, you will see a list of all networks ever connected in the format:
network={ssid="MyHomeWiFi"
psk="ComplexPassword123"
key_mgmt=WPA-PSK
}
Here psk — this is your password. Be careful when editing system files: any syntax changes may render the Wi-Fi module inoperable. It is recommended to simply copy the value and close the file without making any changes.
⚠️ Warning: Rooting your Samsung S8 may trigger security flags KnoxThis will permanently disable features such as Samsung Pay and Secure Folder and may void your device's official warranty.
☑️ Preparing to Root
Specialized recovery applications
In the store Google Play There are many apps that promise to reveal saved passwords. Most of them only work on devices with root rights, since systemic limitations Android prevent regular programs from reading network configuration files. However, there are useful utilities that work without deep intervention in the system.
Apps like WiFi Password Viewer or WiFi Key Recovery try to read data through standard APIs or use available permissions. Samsung S8 Without root rights, their functionality is often limited to showing only the current network (if the OS version allows it) or requiring you to re-enter the password for “verification.”
However, some utilities may be useful for generating a QR code from already entered data if the standard interface One UI doesn't offer this option. It's important to download only verified, highly rated apps to avoid installing malware that could steal your data.
- 📲 Apps without root access often have limited functionality.
- 🛡️ Carefully read the permissions the program requests during installation.
- 💾 Some utilities allow you to create backup copies of network lists.
Resetting your router as a last resort
If none of the software methods work and network access is vital, physical access to the router remains. There's usually a button on the back of the router. Reset (often recessed into the case). Pressing it with a paperclip for 10-15 seconds resets the device to factory settings.
After resetting, your Wi-Fi network will use the factory password, which is located on a sticker on the bottom of the router (usually next to the barcode). This will allow you to connect and set a new password you already know. However, this method will disconnect all other devices in your home, requiring them to be reconfigured.
To access the router control panel after a reset (or if you know the administrator password), you can use a browser. Enter the gateway IP address in the address bar, often 192.168.0.1 or 192.168.1.1. In the wireless network menu (Wireless -> Security) you can view or change the security key.
| Action | Consequences | Necessary conditions |
|---|---|---|
| View QR code | Safe, instant | Android 10+, access to the menu |
| Google Account | Safely, remotely | Pre-synchronization |
| Root rights | Risk of voiding the Knox warranty | Technical skills, time |
| Resetting the router | Disconnect all devices | Physical access to the router |
⚠️ Note: Router interfaces vary from manufacturer to manufacturer (TP-Link, Asus, D-Link). The exact location of security settings may vary. If you're unsure, it's best to contact your ISP.
Frequently Asked Questions (FAQ)
Is it possible to find out someone else's Wi-Fi network password using a Samsung S8?
No, this is impossible without first connecting your device to that network. Android and iOS have strict security protocols that prohibit viewing encryption keys for networks the phone has never connected to. Any apps that promise to "hack" your neighbor's Wi-Fi are either scams or exploit vulnerabilities in WPS, which are often disabled on modern routers.
Why is there no QR code button in the Wi-Fi settings on my S8?
Most likely, your smartphone is running version Android 9 (Pie) or earlier. The native QR code display function was implemented in Android 10. Check for system updates in the section Settings -> Software updateIf the update is not available, use the other methods described in the article.
Are password revealing apps safe to use?
Applications requiring root rights, gain complete control over the system. If the app developer is unscrupulous, they can access your photos, contacts, and banking information. Use only trusted, open-source apps with a large number of positive reviews, and delete them immediately after use.
What should I do if I forgot my router password to access the settings?
If the standard combinations (admin/admin) do not work, and you changed them and forgot, only a complete reset of the router with the button will help ResetThis will reset the device to the factory password found on the sticker. All personal provider settings will be deleted.
The Impact of Android Version on Security
With each new version of Android (9 -> 10 -> 11 and higher), Google closes app access to system files. Therefore, methods that worked on Android 6-7 no longer work on the modern S8 with the latest updates without root access.