Connecting to Wi-Fi via QR Code: A Complete Guide with Instructions for All Devices

Connecting to Wi-Fi via QR code is one of the fastest and most convenient ways to set up internet access on new devices without manually entering complex passwords. The technology operates on the standard Wi-Fi Easy Connect (formerly known as Wi-Fi Protected Setup), which allows network data to be transmitted encrypted via graphical code. This is especially relevant for devices without a keyboard: Smart TV, printers, smart speakers or guest gadgets.

In this article you will find step-by-step instructions for all popular devices: smartphones Android And iOS, televisions Samsung, LG, Sony Bravia, printers HP/Canon, as well as routers TP-Link, ASUS And KeeneticWe'll figure out how generate a QR code for your network, if it's not on the router's sticker, and what to do if the code can't be read. All methods have been tested on current firmware versions from 2026.

1. How does a QR code Wi-Fi connection work? The principle of the technology

A Wi-Fi QR code contains encrypted network data: name (SSID), encryption type (WPA2/WPA3) and passwordWhen scanning, the device automatically extracts these parameters and connects without any additional actions. The technology is based on the standard Wi-Fi Alliance Easy Connect, which is supported by most modern gadgets.

Advantages of the method:

  • Speed: connection takes 5-10 seconds (versus 1-2 minutes with manual entry).
  • 🔒 Security: the password is not transmitted in clear text, and the data is encrypted using the protocol WPA3.
  • 📱 Versatility: works on 90% of devices released after 2018.
  • 👨‍👩‍👧‍👦 Guest convenience: there is no need to dictate the password or write it on a piece of paper.

Restrictions:

  • 🚫 Does not work on devices older than 2015–2017 (no standard support).
  • 🔄 Some routers (for example, older models D-Link) do not generate a QR code by default.
  • 📶 The device must already be connected to another network (to scan the code).
📊 Which device do you most often connect via QR code?
Smartphone or tablet
Smart TV
Printer or MFP
Smart speaker
Other

2. Where can I get a QR code to connect to Wi-Fi?

A QR code can be located in several places. The most obvious is a sticker on the bottom or back of the router. It typically contains:

  • 📋 Network name (SSID) - For example, Keenetic-1234.
  • 🔑 Password — a combination of 8–20 characters.
  • 🖼️ QR code — a black and white square measuring ~2×2 cm.

If there is no sticker or the code has been erased, there are three ways to get it:

  1. Generate via the router's web interface

    Go to your router's control panel (usually at 192.168.1.1 or 192.168.0.1), find the section Wi-Fi → Security Settings and find the option QR code for connection (the name may differ).

  2. Use the manufacturer's app

    U TP-Link This Tether, at ASUSASUS Router, at KeeneticKeenetic StartThere is a code generation function in the Wi-Fi menu.

  3. Generate code manually

    Using online services (for example, Qifi) or applications like WiFi QR Generator (available for Android And iOS).

3. Connect your smartphone to Wi-Fi via QR code

Instructions for Android And iOS They differ, but in both cases the process takes no more than 15 seconds.

3.1. On Android (Samsung, Xiaomi, Google Pixel, etc.)

Modern versions Android (starting with 10) support QR code scanning directly from the Wi-Fi menu:

  1. Open Settings → Wi-Fi.
  2. Click on the icon QR code (usually in the upper right corner).
  3. Point the camera at the code. The device will automatically connect to the network.

If the option is not in the settings:

  • 📱 Use Google Lens (built in Google Photos or as a separate application).
  • 🔍 Or download QR & Barcode Scanner from Play Market.

3.2. On iPhone (iOS 11 and later)

On iPhone The function is built into the camera:

  1. Open the app Camera.
  2. Point the lens at the QR code (no need to take a photo!).
  3. A notification will appear Join a Wi-Fi network - click on it.

If it doesn't work:

  • 🔦 Make sure the code is clear and well-lit.
  • 📶 Check that iPhone not connected to another network (turn off VPN or mobile internet).
  • 🔄 Restart your device.
What to do if iPhone doesn't recognize QR code?

If iPhone does not respond to the code, try:

1. Update iOS to the latest version (in Settings → General → Software Update).

2. Disable the function Content filter V Settings → Screen Time → Content Restrictions.

3. Use a third-party application, such as QR Reader for iPhone.

4. Connecting Smart TV to Wi-Fi via QR code

Televisions Samsung, LG, Sony Bravia And Xiaomi They support QR code connection, but the algorithm varies depending on the model. Below are the current instructions for firmware versions from 2026–2026.

Brand Model (year of manufacture) How to connect Notes
Samsung QLED/QNxx (2020–2026) 1. Settings → General → Network → Open network settings

2. Select Connect via QR code

3. Point the TV camera at the code

2018-2019 models may require a software update.
LG OLEDxx/CX (2020–2026) 1. Settings → Network → Wi-Fi connection

2. Select QR code in the lower right corner

3. Scan the code with your smartphone

On LG NanoCell The function may not be available in 2019.
Sony Bravia XR-xx (2021–2026) 1. Settings → Network → Network setup → Other options

2. Select Connection via QR code

3. Use a TV camera or app Sony Video & TV SideView

On models Android TV 8.0+ works through Google Lens.

If your TV does not support code scanning:

  • 📱 Use your smartphone as a middleman: scan the code on your phone, then transfer the data to your TV via Google Home (For Android TV) or SmartThings (For Samsung).
  • 🔄 Update your TV firmware to the latest version (in Settings → Support → Software Update).

Check your TV firmware version

Connect your TV to a different network (e.g. via Ethernet)

Make sure the TV camera is not covered by a decorative panel.

Download the brand's app (if required)

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5. Connecting a printer or MFP via QR code

Printers HP, Canon, Epson And Brother They often support Wi-Fi connection via QR code, but the algorithm varies by model. The general principle is:

  1. Turn on the printer and activate the Wi-Fi mode (button Wireless or WPS).
  2. On the printer screen (or in the instructions), find the section Wi-Fi Setup or QR Code Setup.
  3. Scan the code from the router sticker or the generated code using the printer camera (if available) or smartphone.

Features for popular brands:

  • 🖨️ HP Smart Tank/Envy: use the app HP SmartAdd a printer → Connect via QR code.
  • 📷 Canon PIXMA: click Settings → Wireless → Connect via QR code.
  • 🖼️ Epson EcoTank: download required Epson Software Updater to generate code.

6. Configuring the router to generate a QR code

If your router doesn't have a QR code or it's worn out, you can generate one through the web interface. Instructions for popular models:

6.1. TP-Link (Archer, Deco)

1. Go to the control panel at tplinkwifi.net or 192.168.0.1.

2. Go to Advanced settings → Wireless → Wi-Fi settings.

3. Find the section QR code for connection and press Generate.

4. Save the code as an image or print it.

6.2. ASUS (RT-AX, ZenWiFi)

1. Open router.asus.com.

2. Go to Wireless Network → General.

3. There will be a block at the bottom of the page QR code for quick connection.

6.3. Keenetic (Giga, Hero, Viva)

1. Go to the interface at the address my.keenetic.net.

2. Select Wi-Fi network → Access point.

3. Click on the QR code icon next to the network name.

7. Common mistakes and their solutions

Even with the correct steps, QR code connection may not work. Let's look at common issues and how to fix them.

⚠️ Attention: If the QR code was generated by an online service (not through a router), make sure that it contains the correct one. encryption type (WPA2/WPA3). Some devices do not support the older version. WEP.

Problem 1: The device does not recognize the QR code.
Solutions:

  • 🔍 Check the clarity of the code: there are no glare or blurriness.
  • 📱 Try a different scanner (for example, Google Lens instead of the standard camera).
  • 🖼️ Enlarge the code on your PC screen or print it out larger.

Problem 2: The connection is interrupted with the error "Incorrect password".
Solutions:

  • 🔑 Make sure your online password hasn't changed since generating the code.
  • 🔄 Restart your router and generate the code again.
  • 📋 Check the case of characters: passwords Password And password - different.

Problem 3: The option to connect via QR code is missing in the settings.
Solutions:

  • 📱 Update the firmware of your device (TV, printer, router).
  • 🔧 Use an alternative method: WPS or manual password entry.
  • 🔍 Check if your model supports this function (see the instructions or the manufacturer's website).
How to check if a device supports QR connection?

1. Look at the technical specifications of the model on the official website (look for the mention Wi-Fi Easy Connect or QR Setup).

2. Check the firmware version: for Android TV 9.0+ required iOS — 11+.

3. Try scanning the code using a third-party app (for example, WiFi QR For Android).

8. Security: risks and how to avoid them

QR code connection is convenient, but it has potential vulnerabilities. The main risks are:

  • 🕵️‍♂️ Code interception: If the QR code is posted in a visible place, it can be scanned by an outsider.
  • 🔄 Outdated data: the code may contain the old password if you changed it after generation.
  • 📡 Fake networks: Fraudsters can place their QR code in public places (hotels, cafes).

How to protect yourself:

  • 🔒 Restrict access: Post the code only in private areas (for example, in a family chat).
  • 🔄 Update the code: Generate a new one after changing your password.
  • 📵 Disable WPS: If you don't use QR, deactivate it. WPS in the router settings.
  • 🛡️ Use WPA3: in the router settings, select WPA3-Personal instead of WPA2.
⚠️ Attention: Don't scan QR codes for Wi-Fi in public places (airports, hotels). Attackers can create a fake network with a similar name to intercept your traffic.

FAQ: Frequently asked questions about QR code connection

Is it possible to connect a laptop to Wi-Fi via QR code?

On most laptops with Windows 10/11 or macOS There is no built-in QR code scanning feature for Wi-Fi. However, you can:

  1. Scan the code with your smartphone, then manually enter the password on your laptop.
  2. Use apps like WiFi QR For Windows (they emulate scanning).

On macOS Ventura and newer support for QR codes has appeared through System Preferences → Network → Other Settings.

Why doesn't the TV see the QR code from the router?

Possible reasons:

  • Outdated TV firmware (update in Settings → Support).
  • The TV camera is turned off or covered (check in Settings → Privacy).
  • The QR code was generated in an incompatible format (try creating a new one via Qifi.org).
How do I connect a smart speaker (Yandex Station, Google Nest) using a QR code?

For Yandex Stations:

  1. Open the app Yandex on a smartphone.
  2. Go to Devices → Add Speaker.
  3. Select Connect via QR code and scan the code from the router.

For Google Nest:

  1. In the appendix Google Home click + → Configure device.
  2. Select a column from the list and follow the instructions (the QR code is scanned automatically).
Is it possible to create a QR code for a hidden Wi-Fi network?

Yes, but with some reservations:

  • Hidden networks (with SSID broadcast disabled) do not support QR connection on most devices.
  • Workaround: Temporarily enable SSID broadcast, connect via QR, then hide the network again.
  • Or use apps like WiFi QR Generator, where you can manually specify the SSID of the hidden network.
What should I do if the QR code is damaged or unreadable?

You can recover the code like this:

  1. Generate a new code through the router's web interface (see Section 6).
  2. Use a backup copy (if you saved the code as an image).
  3. Recover the password from the router settings (Wireless Network → Security) and regenerate the code.