How to make a scan on Xiaomi phones: all the ways and settings

Scanning on Xiaomi smartphones is not just a convenient feature, but a whole set of tools for quick access to information, payment for purchases and interaction with smart devices. QR-code NFC If you refuse to read your bank card, the document scanning app will give you an error. In this article, we will discuss all types of scanning on Xiaomi devices, from basic to advanced, and also tell you how to configure the system to avoid typical failures.

It’s important to understand that scanning capabilities don’t just depend on the smartphone model (e.g., Redmi Note 12 Pro).+ It supports the ultrasound determination of gestures, and POCO X5 — No, but also from the firmware version. MIUI. For example, in MIUI 14 appeared built-in document scanner with function OCR, In earlier versions, it required third-party applications to be installed, and we'll look at solutions for all current versions of the software, including HyperOS, which replaced the software. MIUI 2026.

1. Scanning. QR-Codes: From basic settings to hidden functions

QR-Codes have become an integral part of everyday life: they encode links, business cards, tickets and even data to connect to Wi-Fi. QR, And we'll take it all down.

The easiest way is to use a built-in scanner in the Camera app.

1. Open the standard Camera app.
2. Point the lens at QR-code (distance - 10-30 cm).
3. Wait for the notification to appear with a suggestion to click on the link.

If the scan doesn’t work automatically, check the camera settings: go to Settings → Additionally. → Scanner. QR-Enable the Auto-Scan option on some models (e.g. Xiaomi) 13T) this function is activated by default, but after resetting the settings may be disabled.

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If the camera doesn't recognize QR-low-light code, turn on the flashlight with a long press on the zipper icon in the camera interface, which will increase contrast and improve reading.

For advanced users, the Professional Scanning mode, which is available in the Scanner app (installed separately from the Mi App Store), is useful.

• 🔍 Reading damaged or partially erased QR-code.
• 📱 Keep your scan history (up to 100 last codes).
• 🔗 Generate your own QR-logocodes or color scheme.
• 📎 Export results in.txt or.csv format.

If the standard scanner refuses to work, try alternative applications:

2. NFC-Scanning: Payment, tags and smart devices

Technology NFC (Near Field Communication on Xiaomi smartphones is used for contactless payments, tag readers and smart device management. NFC — For example, budget Redmi A1 or POCO M5 Before setting up, check the specifications of your model on the official Xiaomi website.

To activate NFC:

1. Go to Settings → Connections and Sharing → NFC.
2. Turn on the NFC switch.
3. For payments, activate Contactless payments and add a bank card via Google Pay or Mi Pay (depending on the region).

If the NFC is not working:

• 🔄 Reboot your smartphone – sometimes the module “hangs” after the update.
• 📱 Check if the cover is blocking the antenna. NFC (usually located at the top of the back panel).
• 🔧 Update the firmware: in MIUI 13 was a mistake with NFC on some models (Xiaomi 11 Lite) NE), patched in 2023.
• 🛠️ Reset the settings. NFC: Settings → Annexes → Application management → NFC → Warehouse → Clear the data.

To work with NFC-tags (for example, to automate actions through Mi Home or Tasker) will be required:

1. Buy programmable tags (for example, NTAG213 or NTAG215).
2. Install the NFC Tools or Trigger app.
3. Write a command on the label (for example, turning on Wi-Fi or launching an application).

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NFC It consumes a minimum amount of energy, but if you do not use the technology, it is better to turn it off in the settings - this will prolong the battery life by 2-5%.

Scanning of documents: OCR preservation PDF

Scanning documents on Xiaomi has become easier with the advent of the built-in tool in the MIUI 14 and HyperOS. No need to install CamScanner or Adobe Scan now – just use the Scanner app (or Notes on some models).

Step-by-step:

1. Open the Scanner app (if not, install it from the Mi App Store).
2. Select Document Mode.
3. Point the camera at the document, and the program will automatically find the boundaries.
4. Press the capture button and adjust the corners manually if necessary.
5. Save the file in format PDF or JPG.

For text recognition (OCR):

• 📄 After scanning, click on the T icon (text) in the lower right corner.
• 🌐 Select the language of the document (Russian, English, Chinese, etc. are supported.).
• 💾 Export recognized text to Word, Excel or copy to clipboard.

If the built-in scanner is not satisfied, consider alternatives:

Make sure the document is on a flat surface.|Put on good lighting.|Clean the camera lens of fingerprints|Turn off Portrait mode in camera settings-->

4. Hidden scanning functions in MIUI hyperos

Many users do not know that Xiaomi firmware has hidden tools for scanning, which are not advertised in standard settings. MIUI 14 has a function Quick scanning, which allows you to read barcodes of products directly in the camera application without installing additional software.

How to activate hidden modes:

• 📦 Scanning barcodes: in the Camera application, swipe your finger to the left until the mode Additional → Select Scanner. Now you can read the barcodes of products and get information about them from the Google Shopping database.
• 🔍 Image search: in the gallery, select a photo with text or object, click More → Search Lens. It will find similar products or translate the text.
• 🎵 Music recognition: There is a Shazam widget in the notification panel (starting with the MIUI 12.5) that scans audio and finds tracks.

On models with a Snapdragon 8 Gen 2 processor (for example, Xiaomi 13 Ultra), the SuperScan mode is available in the Camera application, which uses AI to improve the quality of scanned documents by 2 times compared to the standard mode.

To activate the developer mode and access experimental scanning functions:

1. Go to Settings. → The phone.
2. Press 7 times on the MIUI version.
3. Back to Settings → Additionally. → For developers.
4. Activate the option Enable scanning in the background (allows you to read) QR-codes without opening the camera).

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If after the update, scan functions are lost, try resetting the camera application settings: Settings → Annexes → Camera. → Warehouse → Clear the cache.

5. Resolve errors in scanning

Even Xiaomi’s flagship models sometimes have scanning problems, and let’s look at the typical bugs and how to fix them.

Problem 1: The camera doesn't recognize QR-code.

⚠️ Attention: If the scanning function is no longer working after the phone falls, the cause may be damage to the camera module or gyroscope.

• 🔹 Check if Macro or Portrait is on, and they interfere with focusing on the QR-code.
• 🔹 Turn off energy saving mode: it limits camera performance.
• 🔹 Update the Camera app through the Mi App Store.

Problem 2: NFC he doesn't read bank cards.

• 🔹 Make sure the card supports contactless payment (it should have a PayPass or PayWave logo on it).
• 🔹 Check if the metal cover is blocking the signal. NFC.
• 🔹 Re-register the card in Google Pay or Mi Pay.

Problem 3: When scanning a document, it is a blurred image.

• 🔹 Use a tripod or support to stabilize the camera.
• 🔹 Enable the grid in the camera settings (Settings) → Additionally. → Grid).
• 🔹 Try the Professional mode in the Scanner app and manually set up the exposure.

If none of these methods helped, reset the camera settings:

adb shell pm clear com.android.camera

This command will reset the Camera app settings to factory settings. USB developer-setting.

6.Scanning Security: How to Avoid Fraud

Scanning. QR-codes and NFC-tags can be dangerous if malicious actors have substituted legitimate codes for malicious ones, such as scammers often post their own codes. QR at payment terminals or in public places to steal bank card details.

Safe scanning rules:

• 🛡️ Check the links: before moving to QR-See where it leads (use applications like this). QR Scanner with Preview Function URL).
• 🔒 Turn off auto payments: in settings NFC Prohibit automatic transactions without confirmation.
• 📵 Do not scan codes from screens: scammers can show dynamic codes QR, phishing sites.
• 🔍 Use antivirus: installed software (for example, Dr.Web or Kaspersky) blocks transitions to dangerous resources.

If you suspect that you have scanned malicious code:

1. Shut down the internet immediately.
2. Check the phone for viruses.
3. If you entered the card data, block it through a mobile bank.

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Never scan. QR-codes pasted over official codes (such as cashier's checks or payment terminals) are often used by fraudsters to steal data.

7.Scanning in a smart home: Interacting with Xiaomi devices

Xiaomi smartphones can scan and control smart devices via Bluetooth protocols LE, NFC And the Infrared Port, for example, you can add a new device with the Mi Home app, just by scanning it. QR-code.

How to connect a smart device:

1. Open Mi Home and click Add Device.
2. Select a category (e.g. Lighting or Security).
3. Put the camera on QR-code on the device or its packaging.
4. Follow the instructions on the screen to complete the pairing.

If the scan fails:

• 🔹 Make sure the device is on and in pairing mode (the indicator usually flashes).
• 🔹 Check that the phone and device are connected to the same Wi-Fi network (for some gadgets).
• 🔹 Update the Mi Home app to the latest version.

For supportive devices NFC (For example, Xiaomi Smart Door Lock):

• 🔑 Bring the phone to the lock at a distance of 1-3 cm.
• 📱 Wait for the sound signal and vibration.
• 🔒 Confirm the addition of the device to Mi Home.

If you use an infrared port to control your appliances (air conditioners, TVs), make sure that:

• 📡 Port not closed with a cover.
• 🔄 The device is in the range (up to 5 meters).
• 📋 In the application Mi Remote selected the correct model of technology.

FAQ: Frequent questions about scanning on Xiaomi