How to Scan a Wi-Fi QR Code on Android: 5 Proven Methods

Connecting to Wi-Fi via QR code is one of the most convenient ways to avoid manually entering complex passwords. This is especially useful for guest networks with long character combinations or when you need to quickly share internet with friends. Android This feature is implemented differently depending on the operating system version and smartphone manufacturer. In some cases, standard tools are sufficient, while in others, third-party apps are required.

In this article, we will look at all the current methods for scanning Wi-Fi QR codes: from built-in capabilities Android 10+ to universal solutions for legacy devices. You'll learn how to create your own QR code for your network, which apps are safe to use, and why it's sometimes better to abandon this connection method. And also— How to bypass restrictions on some models Xiaomi And Samsung, where the function is hidden in non-obvious menus.

1. Standard method: QR code in Wi-Fi settings (Android 10 and newer)

Starting from Android 10 (and on most devices with shells MIUI 12+, One UI 3.0+, ColorOS 11+), the QR code scanning function is built directly into the Wi-Fi menu. This is the most secure method, as it doesn't require installing additional apps and minimizes the risk of data leakage.

To connect:

• 📱 Open Settings → Wi-Fi (or Network and Internet → Wi-Fi on some devices).
• 🔍 Click on the icon in the upper right corner QR code (or "Add network → Connect via QR").
• 📸 Point the camera at the network's QR code. If the code contains connection information (network name and password), your phone will connect automatically.

On some devices (eg. Samsung Galaxy With One UI) the path may differ:

Settings → Connections → Wi-Fi → "QR" icon next to the power button

2. How to create a QR code for your Wi-Fi network

If you want to share access to your network, you can generate a QR code yourself. You don't need any third-party apps—standard tools are sufficient. Android or web services.

Generation methods:

• 📱 Via phone settings:
  1. Go to Settings → Wi-Fi.
  2. Select your network and connect to it.
  3. Click on the network name → "Share" (or "QR code").
  4. Enter your device PIN/password if prompted.
  5. Show the generated QR code to another user for scanning.

🌐 Via online services: Enter the network name (SSID) and password on sites like qifi.org or qrstuff.com, then download the image.

What does a Wi-Fi QR code contain?

The QR code for connecting to Wi-Fi encodes three parameters:

1. SSID — network name (for example, "MyHomeWiFi").

2. Password — password (can be encrypted).

3. Encryption — encryption type (WPA2/WPA3).

Safe services do not store this data on their servers, but avoid generators with suspicious domains (for example, .xyz or .top).

3. Third-party Wi-Fi QR code scanning apps

If your device is running on Android 9 or laterIf the manufacturer has removed the scanning function from the firmware, third-party software can help. We tested several popular apps and selected the most reliable ones.

Recommended apps:

• 🔹 QR & Barcode Scanner (from Gamma Play) is a minimalist scanner without unnecessary fluff, supports automatic connection to Wi-Fi.
• 🔹 WiFi QR — a specialized application for working with network QR codes, capable of generating codes for guest points.
• 🔹 Google Lens — built into many devices, recognizes Wi-Fi QR codes (but does not always connect automatically).

How to use:

1. Install the app from Google Play.
2. Open it and point the camera at the QR code.
3. Confirm the connection if prompted.

🔍 Check the number of downloads (minimum 1 million+).

⭐ Rating not less than 4.2 stars.

📋 The last update is no older than 6 months.

🛡️ No requests for unnecessary permissions (such as access to SMS or contacts).-->

Standard Android Scanner|Google Lens|QR & Barcode Scanner|WiFi QR|Other-->

4. Features on Xiaomi, Samsung, and other brands

Manufacturers often modify Android, adding or removing features. For example, on Xiaomi with shell MIUI The path to the QR code scanner may differ from the standard one, and on some models Samsung the function is hidden in the menu Quick Settings.

Instructions for popular brands:

• 📱 Xiaomi (MIUI 12+):
  1. Open Settings → Wi-Fi.
  2. Tap on the icon "+" (add network).
  3. Select "Connect via QR code".
• 📱 Samsung (One UI 3.0+):
  1. Swipe down to open the notification panel.
  2. Hold the icon Wi-Fi to go to settings.
  3. Click on the three dots in the upper right corner → "Connect via QR code".

📱 Huawei (EMUI): The function may be missing - use Google Lens or third-party scanners.

⚠️ Note: On some models Samsung (for example, series Galaxy A (2020–2021) the Wi-Fi QR code scanning feature may be disabled by default. To enable it, go to Settings → Additional Features → QR Code Scanner and turn on the corresponding switch.

5. Why doesn't Wi-Fi QR code scanning work?

If your phone doesn't recognize a QR code or connect to the network, there could be a variety of reasons, ranging from technical limitations to errors in the code itself. Here are the most common issues and their solutions:

Problem 1: The phone scans the code but does not connect to the network.

• 🔄 Check that the QR code contains up-to-date data (the password may have changed).
• 📶 Make sure the network is in range.
• 🔒 The network may be using non-standard encryption (for example, WPA3-Enterprise), which is not supported by automatic connection.

Problem 2: The camera does not focus on the QR code.

• 📸 Wipe the camera lens.
• 💡 Increase the screen brightness of the device you are scanning the code from.
• 📏 Make sure the code takes up at least 30% of the screen area.

Problem 3: The scanning function is missing in the settings.

• 📲 Update your device firmware to the latest version.
• 🔧 Use third-party applications (see Section 3).
• 🔄 On some devices, the feature only appears after the first manual connection to the network.

⚠️ Warning: If the QR code was generated through a third-party service, make sure it doesn't contain malicious links. Some scammers disguise phishing pages as "Wi-Fi settings update." Always verify the source of the code.

6. Alternative ways to connect to Wi-Fi without a QR code

If scanning is unavailable for some reason, use alternative methods:

1. WPS (Wi-Fi Protected Setup):

• 🔄 Click the button WPS on the router (usually located on the back panel).
• 📱 On your phone, select the network from the list of available ones and confirm the connection via WPS.

⚠️ Vulnerability: WPS is considered an insecure method as it is vulnerable to brute-force attacks. Disable this feature after use.

2. Transferring a password from another device (Android 10+):

• 🤝 Bring the second phone (already connected to the network) close to your device.
• 🔗 A "Share Wi-Fi" notification will appear on the screen - confirm the transfer.

3. Manual input:

• 📝 Write it down SSID and the password from the back of the router (if it has not been changed).
• 🔑 Enter them in the Wi-Fi settings on your phone.

7. Security: Risks of Using Wi-Fi QR Codes

While QR codes are convenient, they are not without risks. Fraudsters can create counterfeit codes that:

• 🕵️ Redirects to phishing sites (for example, "router firmware update").
• 📡 Connect you to malicious networks (for example, to intercept traffic).
• 🔄 Automatically change network settings on the device (for example, a proxy server).

How to protect yourself:

• 🔍 Check the source of the QR code. Do not scan codes from stickers in public places (cafes, airports).
• 🛡️ Use a VPN when connecting to unknown networks.
• 📵 Disable automatic connection to open networks in settings (Settings → Network & Internet → Wi-Fi → Additional settings).

If you suspect you have connected to a fraudulent network:

1. 🚫 Disconnect from her immediately.
2. 🔄 Forget the network in Wi-Fi settings.
3. 🛡️ Check your device for viruses (for example, through Malwarebytes).

Frequently Asked Questions

Can I scan a Wi-Fi QR code on Android 8 or later?

On Android 8 and below There is no built-in Wi-Fi QR code scanning feature. You will need a third-party app, such as QR & Barcode Scanner or WiFi QRMake sure the app has a high rating and doesn't request unnecessary permissions.

Why can't my phone see the QR code even though the camera is working?
Possible reasons:
• 📸 The QR code resolution is too small (enlarge it on the screen).
• 💡 Poor lighting - try illuminating the code with a flashlight.
• 📱 Outdated firmware version - update your device.
• 🔧 QR code recognition is disabled in the camera settings (enable it in the camera settings).
Is it possible to create a QR code for a network with a hidden SSID?

Yes, but not all scanners support connecting to hidden networks via QR code. To generate such a code:

1. Use an online service that supports the parameter hidden=true (For example, qifi.org).
2. Enter the network name (SSID) and password, check the "Hidden network" box.
3. The generated code will contain an additional parameter for connecting to the hidden network.

⚠️ On some phones, you will have to manually confirm the connection to the hidden network even after scanning.

How do I disable automatic connection to networks via QR code?
If you are concerned about security, disable automatic connection:
1. Go to Settings → Network & Internet → Wi-Fi → Wi-Fi Settings.
2. Disable the "Automatically connect" or "Connect to open networks" option.
3. On some devices (Xiaomi, Samsung) This option may be called "Smart connection" or "Auto connection".
Does Wi-Fi QR code scanning work on Android tablets?

Yes, on tablets with Android 10+ The function works the same as on smartphones. On older versions, a third-party app will be required. Please note that on some tablets (e.g., Lenovo Tab) the camera may have a low resolution, which will result in poor scanning performance - in this case, use codes with high contrast.