How to scan. QR-Xiaomi Redmi 8 code: all ways with photos and tips

Scanning. QR-The Xiaomi Redmi 8 seems like a simple task — until you encounter unexpected problems. QR» If the camera does not start, the camera persistently does not recognize the code, then MIUI In this article, we will analyze all working methods of scanning. QR on your device – from built-in tools to alternative applications that will save you if the standard features fail.

Redmi 8 (codenamed olive) features MIUI-based shelling that updates and repositions features, and we’ve taken this into account and put together the latest firmware instructions (including MIUI 14), and you’ll learn how to avoid the typical camera freeze error when scanning PDF417 or Aztec codes that some apps don’t support.

1. Standard QR scanner in MIUI: where to look and how to use

The most obvious way is to use a built-in scanner. QR-The code that Xiaomi has integrated into the system, and on Redmi 8, it can be hidden in two places:

• 📱 Quick settings: swipe down from the top edge of the screen to open the notification bar and find the Scanner icon QR» (If it is not, add it through editing panels).
• 🔍 Search by settings: open Settings → Search and enter «QR» — The system will show direct access to the scanner.
• 📷 Through the camera: in some versions MIUI just open the standard Camera application and hold your finger on the screen – a prompt will appear “Scan”. QR».

If the scanner does not respond to the code, check:

1. Camera permission for com.miui.qr (find it in Settings → Applications → Application Management).
2. No physical damage to the main camera (on Redmi 8 it is a 12 MP module with an aperture f/1.8).
3. Lighting – In low light, the code may not be recognized (use a flashlight or an external light source).

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If the MIUI scanner says "Code failed to recognize," try restarting the phone, which solves the camera's temporary failure problem in 30% of cases.

⚠️ Attention: Some versions MIUI Blocks scanning of codes containing references to APK-files or unsafe sites, if you are sure of the source QR, Turn off the check in Settings → Confidentiality → Special permits → Installation of unknown applications.

2. Scanning through the application "Camera": step-by-step instructions

On Redmi 8, the standard camera can recognize QR-codes without any additional applications. Here's how it works:

1. Open the Camera app (the icon on the home screen or menu).
2. Switch to the main camera (if the front camera has been activated).
3. Point the lens at QR-code so that it fits fully within the viewfinder frame.
4. Wait 1-2 seconds – if the code is recognized, a notification will appear with a suggestion to click on the link or copy the data.

If nothing happens,

• 🔄 Make sure the scan function is enabled: go to the camera settings → Additionally. → Scan. QR-codes (in some firmware, this item may be called "Code recognition»).
• 📏 Check the distance to the code – optimal is 15-30 cm for Redmi 8.
• 🛠️ Update the Camera app via Google Play (even if it’s system-friendly, updates are sometimes available).

Open the annex “Camera"|Activate the main camera|Put the lens on QR-code|Make sure there is enough lighting-->

In practice, this method works 85% of the time, but can fail when scanning high-density codes (such as tickets or coupons) if the camera is stuck after trying to recognize, close it through the latest app menu and restart it.

3.Google Lens: a universal tool for QR and more

Google Lens is a service from Google that can recognize not only the Internet. QR-It's codes, but also text, objects, plants, even landmarks. On Redmi 8, it can be pre-installed or downloaded from Google Play.

How to use:

1. Install Google Lens (if not already installed).
2. Open the app and allow access to the camera.
3. Put the camera on QR-code – Lens automatically recognizes it and suggests actions (clicking on a link, copying text, etc.).

Features of working on Redmi 8:

• 🔹 Lens may conflict with built-in scanner MIUI — If both apps are open, close one of them.
• 🔹 Codes with Cyrillic text (such as Wi-Fi passwords) require manual recognition confirmation.
• 🔹 The service consumes more battery than a standard scanner, but provides advanced features.

Built-in MIUI | Camera app |Google Lens| Third-party apps |I don't scan QR-->

4. Third-party applications: when staff funds do not work

If the built-in tools of Redmi 8 refuse to recognize QR-code, third-party apps will come to the rescue.-5 Google Play Scanners and Choose the Best:

• 🥇 QR Code Reader (by Scan) - minimalist interface, fast work even on the weak hardware Redmi 8 (Snapdragon 439). Supports scanning from photos.
• 🥈 Barcode Scanner (by ZXing Team) - open source, no advertising, can read barcodes and Data Matrix.
• 🥉 QR & Barcode Scanner (by Gamma Play) – saves scan history, has night mode to save battery.

How to install and use:

1. Download the app from Google Play (links above).
2. Open it and allow access to the camera.
3. Put the camera on QR-code – most applications recognize it instantly.
4. If necessary, copy the data or follow the link.

⚠️ Warning: Avoid applications with suspicious permissions (e.g. access to the app) SMS On Redmi 8, this can lead to data leakage, especially if the device has not been updated before. MIUI 12.5+ (In these versions, privacy protection is enhanced).

Third-party scanners have the advantage of supporting custom formats (such as MaxiCode or Micro QR), which are often ignored by built-in MIUI tools, and are useful if you regularly work with codes - scan history and the ability to export data will save time.

5. scanning QR from a photo: if the code on the screen of another device

Sometimes. QR-The code needs to be scanned from another phone, monitor or TV, not from paper, in which case a standard Redmi 8 camera can go blind because of the flickering of the screen:

• 📸 Take a photo of the code and upload the photo to the scanner app (for example, QR Code Reader has the function of importing images).
• 🔄 Reduce the brightness of the screen from which you read the code – this will reduce the level of flickering.
• 📱 Use another phone to take photos of the code, then scan the shot on Redmi 8.

Scanning algorithm from the photo:

1. Take a clear picture. QR-code (without glare and blurring).
2. Open an import-enabled app (e.g. Google Lens or QR Code Reader).
3. Select the option “Scan from Gallery” or “Import Image”.
4. Select the area with the code in the photo – the application recognizes the data.

On Redmi 8, this method works stably if the photo is taken with a resolution of at least 2 MP. At lower resolution (for example, screenshots), recognition errors are possible.

6.The solution to the problems: why the Redmi 8 doesn't scan QR-code

If neither of these methods worked, the reasons could be hardware or software, and let's look at the typical scenarios and their solutions.

If the problem persists, reset the camera settings:

1. Go to Settings → Applications → Application Management.
2. Find the Camera app and select Warehouse.
3. Click Clear Data and Clear Cache.
4. Reboot the phone.

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Redmi 8 with firmware older than MIUI 12 may not have a built-in QR scanner. In this case, use Google Lens or third-party apps – they are independent of the shell version.

FAQ: Frequent QR scanning questions on Xiaomi Redmi 8