How to scan a QR code to connect to Wi-Fi on Xiaomi

Modern smartphones, especially devices based on the shell MIUI and new HyperOS, have transformed the process of connecting to wireless networks into a matter of seconds. You no longer need to manually enter complex passwords consisting of dozens of characters or dictate them to guests. Simply point the camera at a special unlock pattern. However, users often encounter situations where the built-in scanner doesn't activate automatically or the system suggests actions that aren't what they expect.

In this article we will take a detailed look at How to scan a QR code to connect to Wi-Fi on a Xiaomi, using the system's built-in tools without installing third-party software. You'll learn about the nuances of the camera module's operation in different firmware versions, understand why the phone sometimes ignores the code, and learn how to quickly share network access with friends. This is especially relevant for owners of budget models in the series. Redmi And Poco, where the interface may have its own characteristics.

The main difficulty is that image recognition algorithms are embedded deep into system services. Starting with Android 10, support for generating and reading Wi-Fi tags is a mandatory standard for all certified devices. This means your smartphone is technically capable of scanning network data, even if you don't see an obvious "scan" button. We'll explore all possible scenarios for activating this feature.

Using the default Camera app

The most obvious and fastest way to read the network pattern is to use the standard application CameraIn most modern models Xiaomi, Redmi And Poco This feature is enabled by default. You don't need to search for special settings menus; simply start recording. Point the lens at the code, holding your phone 15-20 centimeters away, and wait for a pop-up notification to appear.

If there's no immediate response, try changing the angle or distance. The camera should focus on the image. In some cases, the security system MIUI You may be asked to use location or network data, as scanning Wi-Fi tags is technically a network settings request. Agree to the request to continue.

⚠️ Attention: If nothing happens when you point the camera at the device, make sure "Code Scanner" or "Google Lens" is enabled in the camera settings. In older versions of the shell, this feature may need to be activated manually in the top menu of the camera interface.

After successful recognition, a prompt will appear on the screen asking if you want to connect to the network. Click it, and the phone will automatically enter the password and initiate the connection. This works with both ISP routers and internet access points from other phones. It's important that the image is clear and well-lit.

📊 What MIUI/HyperOS interface do you have?
Old MIUI 12 and below
MIUI 13/14
New HyperOS
I don't know which version

Setting up the scanner via the Camera menu

There are situations when the standard shooting mode doesn't recognize codes. This may be due to a software update or a factory reset. In this case, you need to check the internal settings of the app itself. CameraThe interface may differ depending on the regional firmware version (Global, China, EEA), but the logic remains the same.

Open the camera app and find the menu icon, usually located in the upper right corner (three horizontal lines). Select "Settings" from the drop-down list. Scroll down to the "Code Scanner" or "Google Lens" section. Make sure the toggle is enabled. This module is responsible for decoding image data in real time.

  • 📸 Open the Camera app and go to the settings menu (three lines).
  • 🔍 Find the "Code scanner" or "Document recognition" section.
  • ✅ Activate the switch if it is in the "Off" position.
  • 🔄 Restart the camera app for the changes to take effect.

If you don't see these settings in the camera menu, you may be running a limited version of the software or a modified build. In this case, you can use an alternative method using the system scanner, which is built into the shell separately from the camera app. It often duplicates functions, but has its own interface and scan history.

Using the system application "Scanner"

In the shell MIUI There is a separate system application called - Scanner (Scanner). It's often hidden in the "Tools" folder on your desktop. It's a more powerful tool than a simple camera, as it's designed specifically for processing barcodes and QR codes. Launch it through the app search or by looking for the icon with the characteristic square.

The scanner's interface is extremely minimalist. Upon launch, it immediately switches to viewfinder mode. Unlike the camera, there are no unnecessary focus settings or filters, which speeds up the recognition process. Furthermore, this app often includes a scan-from-gallery feature if you have a saved image of the code on your phone's memory.

Function Camera app Scanner app
Launch speed Average (photo module loading) High (instant start)
Working in low light Depends on the night mode settings Adaptive screen backlighting
Scan history Not saved Saved in the app
Scan from the gallery Via Google Lens Built-in button

Using a separate app is especially useful if you frequently connect to different guest networks or work in an office where access rights change regularly. Scanner It remembers your last actions, allowing you to quickly return to previously used data. It also reduces conflicts with location permissions.

Generating a QR code for Wi-Fi distribution

An equally important feature is the ability to create your own code so that friends can connect to your internet. Your smartphone Xiaomi It can act as a generator. No third-party programs are required. Everything you need is already built into your wireless network settings. This is convenient when you need to quickly provide access to a large number of people.

Go to Settings → Wi-FiClick on the name of the network you are currently connected to (or on the arrow next to the name, depending on the version MIUI). A card with detailed connection information will open on the screen. Your unlock pattern will be displayed. You can show it to your contact or take a screenshot.

☑️ Check before connecting guests

Completed: 0 / 4

If you want to send the code remotely, just take a screenshot of this screen (Volume Down + Power) and send the image to the messenger. The recipient will be able to save the image and read it on their phone. Please note that the screenshot may show the full password in plain text if you click the eye icon, but the QR code itself contains an encrypted connection string.

⚠️ Attention: Don't share screenshots of your home network's QR code on publicly accessible websites or social media. Anyone with this image will be able to connect to your internet without your knowledge.

Solution: The code is unreadable

Even on advanced devices Xiaomi Sometimes recognition errors occur. Most often, the problem lies not in the software, but in the physical shooting conditions or dirty optics. The camera cannot focus on a high-contrast image if the lens is smudged with greasy fingers or dust.

Wipe the camera with a soft cloth. If that doesn't help, try changing the lighting. Direct glare from the lamp on the glossy surface of the code makes it unreadable. Rotate the phone or light source to eliminate reflections. Also, make sure the code is completely within the viewfinder frame.

  • 💡 Low Light: Turn on the flashlight or ask someone to illuminate the code.
  • 📉 Low resolution: If the code is printed very small, the camera may not be able to see the details. Zoom in.
  • 🛡️ Protective film: Matte films on the screen may distort the contrast of the code when scanning from another phone.

In rare cases, the problem may be with the encoding format. Some older generators produce codes that modern scanners cannot read. Android are treated as plain text, not a connection command. If the phone displays just a string of letters and numbers instead of the "Connect" button, the tag format does not comply with the Wi-Fi Alliance standard.

What to do if the code is corrupted?

If the QR code is partially covered or damaged, the standard camera may not be able to read it. Try using third-party scanner apps from the Play Market that have a "recovery" or manual data entry mode. They often have more powerful decoding algorithms than the standard MIUI tools.

Security and privacy when scanning

Using QR codes to connect to Wi-Fi makes life much easier, but it also carries certain risks. The main one is network address spoofing. An attacker could create a code that leads not to free internet, but to a phishing site or install a malicious app. Android And MIUI have built-in filters, but they do not guarantee 100% protection.

Always check what your phone prompts you to do after scanning. If you scanned a Wi-Fi code, the notification should say "Connect to [Network Name]." If you see a request to open a browser with an unknown address or install an APK file, cancel the action immediately. This is a sign of an attempted attack.

Also, when connecting to guest networks via QR code, remember that you're trusting the hotspot owner with all your traffic. Use a VPN when working with sensitive data. A code scanner is just a password entry tool; it doesn't encrypt your connection within the network.

Frequently Asked Questions (FAQ)

Why does my phone say "Unable to recognize the code" even though the image is clear?

This could be due to the code containing a non-standard prefix or being corrupted. Try increasing the brightness of the screen displaying the code or adjusting the angle of your phone. Also, check that your camera isn't in macro mode, which can interfere with focusing on flat images.

Is it possible to connect an iPhone to a QR code generated on Xiaomi?

Yes, absolutely. The QR code format for Wi-Fi is a universal standard. The code generated on Xiaomi With MIUI, can be easily read by the iPhone camera (iOS 11 and above) and devices running other versions of Android.

Where can I find the history of scanned codes on a Xiaomi?

History is saved only in the Scanner app. Open it, and at the bottom of the screen or in the menu (three dots), you'll find the "History" section. Scan history is not saved in the default Camera app for privacy reasons.

Does scanning work if mobile internet is turned off?

Yes, the actual process of scanning and decoding a QR code doesn't require internet access. However, a working Wi-Fi module is required to connect directly to a Wi-Fi network. If the code leads to a website (for example, to log in to a hotel), internet access is required after scanning.