How to make a scan with a Xiaomi phone: from documents to documents QR-code

A scanner in your pocket is not a fantasy, but a reality for Xiaomi smartphone owners.Modern models from Redmi to the likes of the newest. POCO And the flagship Mis can replace bulky office scanners, and they can give you results as good as specialized technology, but how do you use this function to get a clear scan of your passport, diploma, or even your business card without glare or distortion?

In this article, we will discuss all available methods - from built-in tools. MIUI Before professional applications, compare them in quality and convenience, and also reveal secrets that will help even in difficult conditions (for example, in poor lighting or scanning multi-page documents (PDF, JPG, DOCX) Optimizing files for posting or printing.

Built-in capabilities MIUI: scan without installing applications

Xiaomi Integrated Basic Scanning Features Directly into the Shell MIUI, This means that owners of devices from Redmi Note 10 to Xiaomi 13 Ultra do not need to download anything - just know where to look:

• 📱 Appendix "Camera": Document Mode (available on most models after upgrading to the MIUI 13+).
• 📄 Files app: built-in scanner in Tools section (appears after Google service update).

To scan through the camera:

1. Open the Camera app.
2. Fly through the shooting modes to the Document (or Pro) item → Document on some models).
3. Hover the lens over the document – the system will automatically highlight the boundaries and take a picture when stabilizing.
4. Click Save and select the format: PDF (for text) or JPG (picture).

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If the scan turned out to be curved, in viewing mode, press Cut and manually adjust the corners — MIUI It allows you to adjust the perspective even after shooting.

Advantages of the built-in scanner:

• ⚡ Instant processing: the document is ready for 2-3 seconds.
• 🔒 Privacy: Data does not go to servers (unlike online services).
• 📱 Offline: does not require an internet connection.

However, there are limitations: for example, a built-in scanner MIUI text-free (OCR) It doesn't support multiple page batch processing, and it requires third-party solutions.

Third-party applications: when you need advanced functions

If you need to not only scan the document, but also:

• 🔍 Recognise text for editing (OCR).
• 📂 Stitching several pages into one PDF.
• 🖼️ Improve scan quality (remove shadows, align perspective).
• ☁️ Automatically upload the scan to the cloud (Google Drive, Yandex Disk).

— You can't do without third-party apps.-3 Xiaomi solutions tested for compatibility with MIUI 14:

To install any of them:

1. Open the Play Store on your Xiaomi.
2. Enter the name of the application in the search.
3. Click Install and wait for the download to be completed.
4. Launch the camera and storage permissions and infollowing app.

Microsoft Lens is especially recommended for scanning tables and fine print text — perspective correction algorithms work better here than competitors. And if you want maximum privacy, choose Adobe Scan: it does not send data to servers without your explicit consent.

Scanning. QR-Codes and barcodes on Xiaomi

In addition to documents, Xiaomi smartphones can scan QR-codes and barcodes. This function is built into:

• 📷 Application "Camera": just hover the lens on the code - a notification will appear with a suggestion to click on the link.
• 🔍 Appendix "Scanner" (on some models, for example, POCO F5 Xiaomi 12T).
• 🌐 Mi Browser: There is a scanner button in the address bar QR.

If a standard scanner does not recognize the code (for example, in low light), try:

1. Turn on the flashlight (swipe down) → flashlight).
2. Bring the phone closer (distance not more than 15 cm).
3. Use a third-party application, for example, QR & Barcode Scanner by Gamma Play.

For business tasks (for example, inventory), it is better to use specialized applications like Zebra Scanner or ScanLife – they support scanning hundreds of barcodes per minute and exporting data to Excel.

Optimizing scans: how to improve quality

Even the most perfect scanner can produce a bad result if you don’t follow the simple rules. Here’s a checklist for the perfect scan on Xiaomi:

📌 Lighting: Natural light or two lamps from different sides

📌 Background: monochromatic (white or black is better)

📌 Angle of shooting: strictly perpendicular to the document

📌 Stabilization: Use a stand or lean your elbows

📌 Mode: Turn it off HDR in camera settings (may add artifacts)-->

If the scan is already done, but it turned out to be dull or with a shadow, you can fix this:

1. In the Google Photos app: Open the scan → Edit → Light/Contrast.
2. In Adobe Scan: Click Improve → Choose Colored, B/B or Shades of Grey.
3. Through Snapseed (from Google): Selective correction tool will help to brighten individual areas.

For professional tasks (e.g., scanning contracts for court) use the format PDF/A — It stores metadata and ensures that the document will look the same on any device).

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Scan documents in format PDF 300-permission DPI — This is enough for printing and official use, and the files will not be too heavy.

Scanning multipage documents and books

If you need to scan a book, magazine or passport with several pages, a standard scanner is available. MIUI It doesn't work, it saves each image separately:

• 📖 Adobe Scan: Automatically stitches pages into one PDF, supports up to 100 sheets.
• 📚 Office Lens: Optimized for books (removes page skew).
• 🖥️ Fast Scanner: Allows you to add pages to your existing page PDF.

Step-by-step instructions for Adobe Scan:

1. Open the application and select Document mode.
2. Take a picture of the first page, the program will automatically highlight the boundaries.
3. Press. +, add the next page.
4. After scanning all pages, click Save → choose PDF.
5. In the export settings, specify Combine into one file.

For books with thin pages (such as passports), use the Flat mode in Office Lens, which removes the wave effect from the inflection of the root. If you scan a magazine with glossy paper, turn off the flash and use an external light source at a 45-degree angle to avoid glare.

Saving and sending scans: formats and tricks

Once the document is scanned, it needs to be saved and sent correctly.

• 📄 PDF: Best choice for text (supports content search if used) OCR).
• 🖼️ JPG/PNG: for images (for example, scans of business cards or drawings).
• 📑 DOCX: If you need to edit the text (available in CamScanner and ABBYY FineScanner).

To reduce the file size without loss of quality:

1. In Adobe Scan: Select Average Quality (300) when exporting DPI enough for most tasks).
2. Google Photos: Upload the scan to the cloud → Save it to the device. → Choose High Quality (compression without visible loss).
3. Through Smallpdf (online service): download PDF and choose to squeeze.

To send the scan by mail or messenger:

• 📧 Gmail supports investments up to 25 MB.
• 💬 Telegram: No size restrictions (but files) >20 MB are saved as files, not as media).
• ☁️ Cloud services: Google Drive or Yandex Disk allow you to share links to large files.

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If you want to send a scan to WhatsApp, but the file is too large, convert it to WhatsApp. PDF via ILovePDF (online service) – this will reduce the size of the 30-50%.

Problem Solving: Why the Scan is Bad

If the scans come out blurred, with glare or curves, the reasons may be as follows:

On Xiaomi models with a wide-angle camera (for example, Xiaomi) 11T Pro or Redmi Note 12 Pro+) You can get distortions around the edges to avoid that:

1. Turn off wide-angle mode in the camera settings.
2. Use the main camera (usually 48 or 50 MP).
3. In apps like CamScanner, activate the option to correct the distortion.

FAQ: Answers to Frequent Questions