QR-codes are firmly embedded in everyday life, from paying for purchases to logging into Wi-Fi networks. - Xiaomi Redmi Owners 9T We often face the question of how to scan such code quickly and without errors without installing unnecessary applications. In this article, we will analyze all available methods - from built-in functions. MIUI to specialized utilities, as well as reveal the nuances that are not written in the standard instructions.
The Redmi 9T (codenamed lime) is that it came with different firmware versions, and the QR scanning capabilities may vary, for example, in MIUI 12.5 and later, the feature is integrated into the standard camera, and in older versions, a workaround is required, and we tested all methods on current firmware in 2026 and identified the most reliable ones.
1. Scanning through a standard camera
The most obvious and quick way is to use the built-in Camera app. On Redmi 9T, this feature works without any additional settings, but there are important details:
- 📱 Open the Camera app (the camera icon on the home screen).
- 🔍 Point the lens at QR-code so that it fits fully into the viewfinder. 10 to 30 cm.
- 🔗 After 1-2 seconds, a notification will appear with a suggestion to click on a link or save data (for example, a password from Wi-Fi).
- ⚡ Click on the notification to perform the action (open the site, connect to the network, etc.).
If the scan doesn't work:
⚠️ Attention: B MIUI 12.0 and below the recognition function QR It can be disabled by default. Check the camera settings: Settings → Additionally. → Scan. QR-codes (turn on slider).
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If QR-code is not recognized, try to increase the brightness of the screen or turn on the flashlight - sometimes the problem is insufficient lighting.
The Redmi 9T with MIUI 13+ firmware has a continuous scan feature: the camera automatically recognizes codes in real time, even if you are swiping the lens over several QRs in a row, which is convenient for working with menus of restaurants or exhibitions.
2.Use of Google Lens
If a standard camera doesn’t work (like the code is corrupted or too small), Google Lens, Google’s image recognition service, is built into most Android devices, including the Redmi 9T.
How to use:
- Open the Google Photos app (if not installed, download from the Play Market).
- Click on the Google Lens icon (a stylized window in the search bar or in the toolbar).
- Put the camera on QR-The service will automatically determine the type of data (link, text, contact) and will offer actions.
| Method | Advantages | Deficiencies |
|---|---|---|
| Standard camera. | Quickly, without installing applications | It doesn’t work on older versions of MIUI. |
| Google Lens | It recognizes even damaged codes. | Requires Internet connection |
| Third-party annexes | Additional features (scan history) | Risk of installing malware |
Google Lens may block scanning of some QR-codes (such as suspicious links) for security reasons, in which case a warning will appear asking for confirmation of the action.
3. Third-party scanning applications
If the built-in tools don't work, you can install specialized utilities. Redmi 9T is suitable for:
- 🔗 QR & Barcode Scanner (from Gamma Play) – lightweight ad-free app that supports scan history.
- 📱 Kaspersky QR Scanner – Checks links to viruses before opening.
- 💡 NeoReader – recognizes codes even from the screen of another device.
How to install and use:
- Download the app from the Play Market.
- Open it and allow access to the camera.
- Point the lens at QR-Most applications offer additional options: Save the result in the clipboard. QR-I'm looking at the barcodes (EAN, UPC).
⚠️ Note: Do not install scanning apps QR source (APK-Attackers often disguise spyware as stealing data from the device. Use only the official Play Market.
How to distinguish a secure application from a malicious one?
4. scanning QR through the browser
Few people know, but some browsers (such as Google Chrome or Mi Browser) can crawl. QR-This is convenient if you want to quickly open a link without switching between applications.
Instructions for Google Chrome:
- Open your browser and tap the search bar.
- The icon will appear on the right. QR-scanner (square with a dot in the center). Press it.
- Allow access to the camera and point the lens to the code.
In Mi Browser (the standard browser on Redmi 9T), the function is hidden deeper:
- Open your browser and go to any page.
- Slip on three points in the upper right corner. → QR-code.
- Scan the code by holding the device evenly.
Example of fraud: QR-The code on the Free Wi-Fi poster can be redirected to a phishing page where your credit card details are stolen. 9T Additional protection can be added:
- Go to Settings → Privacy → Special permissions.
- Limit camera access for suspicious applications.
- Enable Phishing Protection in Google Play Protection settings.
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Never enter logins / passwords on sites opened through the QR-Fraudsters often copy the design of popular services (Vkontakte, Sberbank).