How to make a scan from a Xiaomi phone: documents, QR-codes

Scanner on the smartphone Xiaomi is a universal tool that replaces several devices at once: from the office MFP to the terminal for payment by phone. QR. But not all users know that modern models of Redmi, POCO And Mi can scan more than just that. QR-codes, but also multipage documents with automatic text processing (OCR), create PDF-Signature files. In this article, we'll look at all the ways, from standard functions. MIUI Professional apps that will turn your phone into a full-fledged portable scanner.

The main advantage of scanning from a smartphone is instant processing without loss of quality (with the right camera settings). For example, a passport scan made on Xiaomi 13 Ultra in Document mode will be no worse than on office equipment for 50 thousand rubles. QR-code from the screen of another device - built-in scanner in MIUI It can be done in a fraction of a second, even in low light.

But there are pitfalls: not all models support OCR for Cyrillic, and in budget Redmi (for example, Redmi) 12C) There may be no document scanning mode in the standard camera, and we tested all the methods on the current firmware. MIUI 14/15 And we selected working solutions for any task, from scanning a check to return goods to digitizing a multi-page contract.

1. Scanning. QR-codes and barcodes built-in tools

The fastest way to scan QR Or a barcode on Xiaomi -- use the built-in scanner in the notification panel or the Camera app. MIUI 10 and newer, including POCO The main advantage is that you do not need to install third-party applications, and the recognition speed is higher than that of most alternative scanners.

To activate the scanner:

• 📱 Open the notification bar (swipe down from the top edge of the screen) and find the Scanner icon (if not, add via Edit).
• 🔍 Put the camera on QR-It's automatic, but if the code isn't readable, try turning on the flashlight (the icon in the bottom right corner of the scanner screen).
• 🔗 After recognition, a pop-up with action will appear: clicking on a link, saving a contact, connecting to Wi-Fi, etc.

If the scanner is not in the notification panel (for example, on the POCO F5 with lightweight firmware, use the Camera app:

1. Open the camera and go to Additional (or More) mode.
2. Select the scanner. QR-code.
3. Hover the lens over the code. Barcodes may require manual focusing (stick on the screen).

⚠️ Note: On some models (for example, Redmi Note 11) the scanner in the camera recognizes only the QR-codes, but not barcodes EAN-13 Code 128 is a better way to use specialized applications like Barcode Scanner.

2. Scanning of documents through the application "Camera"

V MIUI 12 and later came the Document mode in the standard camera, which automatically aligns the perspective, removes shadows and saves the scan in the format PDF or JPG. This feature is available on most models, starting with the Redmi Note 9 and Mi 10. The main advantage over third-party scanners is the integration with the Mi Cloud, which allows you to instantly synchronize scans between devices.

Step-by-step:

1. Open the Camera app.
2. Scroll down the shooting modes to the left and select Document (if not, update your firmware or use the method from the next section).
3. Point the camera at the document. The system will automatically cut the edges and straighten the perspective. To manually adjust, tap the screen and drag the corners of the frame.
4. Press the down button. After shooting, select Save as PDF or Image.

For multi-page documents:

• 📄 After the first scan, click Add the page (icon) + lower-right).
• 🔄 Repeat the shooting for each page. You can change the order of the pages by drag and drop.
• 💾 Save the final. PDF The Gallery or Mi Cloud.

⚠️ Note: On models without Document mode (e.g. Redmi) 9A) When shooting documents in manual mode, turn off HDR And AI enhancements -- they can distort small text. Use a minimal approximation. 1x) and turn on the grid for a level frame.

Make sure the document is on a flat surface.|

Turn it off. HDR and night mode in camera settings|

Use natural light (avoid glare)|

Make sure there are no hand or phone shadows in the frame.-->

3. Text recognition (OCR) scanner

If you need to not just save the scan, but extract text for editing (for example, from a contract or book), use the function. OCR (optical character recognition. MIUI It's built into Notes and Gallery, but it doesn't work on all models, and the alternative is third-party apps like Google Lens or Adobe Scan.

Method 1: Through Gallery (available on Xiaomi 12 and later):

1. Open the scan of the document in the Gallery.
2. Slip on the icon Text (or Remove text) in the lower menu.
3. Select the desired fragment or click Copy the entire text.
4. Insert text into any application (such as Notes or Google Documents).

Method 2: Google Lens (works on all models)

• 🔍 Install Google Lens from the Play Market (if not preinstalled).
• 📷 Open the application and point the camera at the document, or download the finished scan from the Gallery.
• 🔤 Click on the text icon at the bottom menu. The app highlights all recognized words.
• 📋 Copy text or export it to Google Drive.

For the professional OCR (For example, to scan tables or text from printed forms, use Adobe Scan:

4.The Best Third-Party Scanning Apps

If embedded tools MIUI You are not satisfied (for example, due to lack of access). OCR For Cyrillic or low-quality scans, install one of the specialized applications. 10 popular scanners and selected the top-3 Xiaomi:

1. CamScanner (free of charge) + premium)

• ✅ Automatic pruning and straightening of documents.
• ✅ Support OCR 60+ languages, including Russian).
• ✅ Exports to PDF, Word, Excel.
• ❌ In the free version adds a watermark.

Ideal for digitizing multi-page documents (such as passports or diplomas) and in the settings, enable Improved Quality and Black and White Mode for better readability of text.

2. Adobe Scan (free of charge)

• ✅ Integration with Adobe Acrobat for editing PDF.
• ✅ Recognition of tables and handwritten text.
• ✅ Automatic synchronization with Adobe Cloud.
• ❌ Requires registration for certain functions.

The best choice is if you need to not only scan, but also sign the document electronically. In the settings, turn on High Resolution Mode (300 dpi) for official papers.

3. Microsoft Lens (free)

• ✅ Optimized for working with Office 365.
• ✅ Recognises text at 120+ language.
• ✅ Save scans in OneDrive or OneNote.
• ❌ No manual scan quality adjustment.

Convenient for students and office workers: scans are automatically converted into editable Word or PowerPoint documents.

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If you need to scan a book without damaging the root, use the Photo mode in Google Photos followed by processing in Adobe Scan.°, And then straighten them out in the editor, and that's how the text is recognized.

5 Dark Scanning and Complex Cases

Often, documents are scanned in imperfect conditions, such as low light, glare on glossy paper, or an angled document, and in such cases, Xiaomi's standard camera settings can give a poor result.

Problem 1: Poor lighting

• 💡 Use the flashlight (turns on swipe down in scan mode).
• 📸 In manual camera mode, set up ISO on 400–800 And the exposure 1/30–1/60.
• 🔦 If the document is framed under glass - remove it and put it on a matte sheet of paper to remove glare.

Problem 2: Curved document (e.g., a book page)

• 📖 Take a photo of a page with a small flyover (1-2 cm behind the edges).
• 🖼️ In CamScanner or Adobe Scan, use the Hand-Pruning Tool to straighten.
• 🔄 If the text is still curved, export the scan to Photoshop Express and apply the Perspective filter.

Problem 3: Small text or low resolution

• 🔍 In the camera settings, turn on 48 MP (if supported by the model).
• 📏 Bring the phone closer to the document (but no closer than 15 cm), then trim the extra in the editor.
• 🔎 To increase the details, use the Superresolution function in Google Photos (available after saving the scan).

⚠️ Note: When scanning your passport or driver's license for official purposes (e.g., for a bank), disable all filters and AI enhancements. The scan must render the original, including colors and fonts, as accurately as possible.

6. How to send a scan by mail or messenger

Once you have scanned a document, it must be exported correctly, and depending on the purpose (send to the bank, share with a colleague or save to the cloud), choose the appropriate format and method of sending.

Method 1: Sending by e-mail

1. Open the scan in the Gallery or scanner app.
2. Press Share. → Mail (or Gmail).
3. In the Topic field, specify the name of the document (for example, passport scan for credit).
4. Attach the file in format PDF (preferably) or JPG.
5. If you need multiple files, archive them in ZIP (use ES conductor or RAR).

Method 2: Send to the messenger (WhatsApp, Telegram)

• 📎 In Telegram, send scans as a file (not as a photo) so they don’t shrink.
• 📩 In WhatsApp, use the Document (clip icon) function to avoid loss of quality.
• 🔗 For large files (over 50MB), upload the scan to Google Drive and send the link.

Method 3: Save to the Cloud

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For official documents (passport, diploma, contract) always send scans in format PDF with a resolution of at least 300 dpi. JPG or PNG They may be rejected due to poor quality.

7. Solving scanning problems

Sometimes the scan on Xiaomi works incorrectly: applications fly out, scans are blurred, or OCR It doesn't recognize text. Here are the most common problems and their solutions:

Problem: Scanner QR-codes are down

• 🔄 Restart your phone (hold the power button for 10 seconds).
• 📱 Update the firmware: go to Settings → The phone. → Updating the system.
• 🔧 Reset the settings of the Camera application: Settings → Annexes → Application management → Camera. → Warehouse → Clear the data.
• 🛠️ If the problem persists, install an alternative scanner (e.g., a scanner, QR & Barcode Scanner by Gamma Play).

Problem: Document scans are blurred

• 🧹 Clean the camera lens of dirt and fingerprints (use microfiber).
• 📏 Make sure the document is 20 to 30 cm away from the camera.
• 🔧 In camera settings, turn off AI enhancement and noise suppression.
• 📱 Check if the phone is shaking when shooting (use a stand or delay timer).

Problem: OCR does not recognize Russian text

• 🌐 In the settings OCR (In Google Lens or CamScanner, manually select the language.
• 📸 Take a photo of the document in bright light (OCR It works poorly with dark or blurred scans).
• 🔤 If the text is printed in a serif font (such as Times New Roman), try another scanner – Adobe Scan better recognizes such characters.

FAQ: Frequent questions about scanning on Xiaomi