Document Scanning on Xiaomi: From Embedded Tools to Professional Apps

Scanning documents from Xiaomi’s phone has become an integral part of everyday tasks, from processing certificates to sending copies of passports to the bank, POCO Mi and offer several ways to create a digital copy of a document: from hidden functions to the digital copy. MIUI to specialized applications with OCR-The main problem is that most guides on the Internet describe only basic methods, missing the nuances of quality setting, format saving and optimization for printing.

In this article, we will analyze all the current methods of scanning on Xiaomi in the 2026 year, including little-known chips MIUI 14/15, Compare built-in tools with top-end applications (such as CamScanner and Adobe Scan), and show how to avoid typical errors - blurring text, distortion of perspective or too much file weight. 108 MP cameras (e.g. Xiaomi) 13 Ultra or Redmi Note 12 Pro+), where high resolution can play a cruel joke when settings are wrong.

1. Built-in scanning in MIUI: where to look and how to use

Starting with MIUI 12, Xiaomi integrated a document scanning tool into the firmware that many users don't notice -- it's hidden in the Camera app:

1. Open a standard camera on your Xiaomi.
2. Fly through the shooting modes to the left to the Document item (on some models it is called the Scanner).
3. Point the lens over the document – the system will automatically highlight the boundaries and take a picture.

The main advantage of this method is instant processing: MIUI It automatically cuts the edges, adjusts the perspective, and increases the contrast of the text:

• 📱 Resolution: by default, scans are saved in 1200×1600 px, which is not enough to print A4.
• 🔍 OCR No text: the built-in tool does not recognize text (unlike Google Drive).
• 📁 Format: retains only in JPEG, without PDF.

To change the scan resolution, go to the camera settings → Additional parameters → Scan resolution (not available on all models) on Xiaomi 12T Pro and newer option can be selected High quality (up to the 2400×3200 px).

2. Hidden function MIUI: scanning through “Notes"

Few people know, but the app notes in MIUI It can scan documents and then recognize text, and this is a very useful technique if you not only need to save a copy, but also to extract text for editing:

1. Open your notes and create a new record.
2. Click on the Camera icon in the lower menu.
3. Select the Scan Document mode.
4. After shooting, click Remove text (available on the MIUI 14+).

Advantages of this method:

• 📄 Keeps it straight in PDF or JPEG choose.
• 🔤 Supports OCR 10+ languages, including Russian.
• 📂 Automatically attaches the scan to the note, which is convenient for systematization.

Limitations:

• ⚠️ It only works on smartphones with Snapdragon 7 processor+ Gen 2 and newer (due to performance requirements) OCR).
• 📶 Requires Internet connection to recognize text.

3. Top.-5 Applications for scanning on Xiaomi: comparison and settings

If the built-in tools MIUI We tested 15 programs and selected the best ones for Xiaomi, taking into account compatibility with HyperOS (new firmware 2026).

For most tasks, we recommend Microsoft Lens – it’s free, no ads and works great on Xiaomi. MIUI 13+. If you need a professional OCR (For example, for scanning tables, it is better to choose FineScanner (cost). ~300₽/month).

⚠️ Note: Apps like CamScanner and Adobe Scan can request access to Contacts and Locations. This is not necessary for scanning – opt out of unnecessary permissions in Android settings.

Install the application from an official source (Google Play)|Access only to the Chamber and the Warehouse|Turn off background activity in battery settings|Check the quality settings (at least 300 dpi for printing)-->

4. Optimal camera settings for scanning on Xiaomi

The scan quality is 70% dependent on the camera settings being right.On Xiaomi smartphones with multi-module cameras (e.g. Redmi Note 12 Pro)+ 5G Xiaomi 13T) It is important to choose the right lens and parameters:

• 📸 Lens: Use the main camera (not ultra-wire or telephoto). On Xiaomi 13 Ultra is the Sony module IMX707.
• 🔎 Focus: Turn off autofocus and set manual focus to distance ~30cm.
• 💡 Lighting: avoid flash, it creates glare; it's better to shoot in natural light or with a ring lamp.
• 📏 Resolution: In the Camera Settings, select High (or 48 MP for models with sensor 1/1.28").

For models with Leica optics (Xiaomi 13 series), a special mode is available Document Pro, which automatically adjusts the white balance for paper.

Camera → More → Document Pro → Enable text improvement

If the scan is blurry, check:

• 🧹 Clean lens (wipe with microfiber).
• 📱 Phone stability (use a tripod or support).
• 🔄 Night mode – it must be turned off, otherwise the text will “swim".

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Nana POCO F5 redmi K60 There's a hidden function called Superresolution for documents. To activate it, hold your finger in Document mode in the camera for 2 seconds.

5 How to keep the scan in the right format and reduce its size

By default, scans with Xiaomi are saved in JPEG If you want to send a document by mail or upload it to a website (where it's limited to 500KB, for example), you'll have to optimize the file.

Ways to reduce the size of the scan:

1. Conversion to PDF: Use Adobe Scan or Microsoft Lens to save your computer PDF/A (It's archive-optimized. In the settings, select Black and White instead of Color, which reduces the weight of the image. 3–4 once.

Compression through MIUI

Gallery → Select scan → Edit → Optimize → Quality: Average

Online services

• SmallPDF -- compresses PDF quality-free.
• TinyPNG - for JPEG/PNG (weight-loss 60–80%).

To print a scan on a printer, adhere to the following parameters:

• 📄 Format: PDF or TIFF.
• 🔢 Resolution: At least 300 dpi (for A4).
• 🎨 Color scheme: Shades of gray (if the document is without color elements).

⚠️ Note: When converting to PDF Google Drive compresses files larger than 10MB automatically, which can degrade the quality of fine text (e.g., in contracts.

6 Common Mistakes and How to Avoid Them

Even Xiaomi experienced users make scanning errors that ruin the results, and here are the most common ones and how to fix them:

Another common problem is perspective distortion when you take a document at an angle.

1. Open the scan in Google Photos.
2. Press Edit. → Perspective.
3. Line the corners of the document on the grid.

If you scan bilateral documents (such as passports) frequently, use CamScanner’s Two-Page Mode app, which will automatically combine the front and back sides into one. PDF.

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To scan glossy documents (for example, driver's license) turn off HDR Use the Manual Mode of the Exposure Camera -1.0 — It'll clear the glare.

7. Scanning on older Xiaomi models (Redmi) 4/5, Mi A1/A2)

If you have a Xiaomi smartphone on MIUI 9–11 (e.g. Redmi Note 5 or Mi) A2), There's no built-in document scanner, but there are workarounds:

• 📱 Google Drive: Open the Google Drive app. Click on + → Scan. Take a picture of the document (car cropping works even on weak cameras).

Lightweight Scanner

A free app weighing only 5MB, optimized for weak processors (like the Snapdragon 625).

Hand-crafting

Take a picture of the document in mode HDR, Then trim in the gallery and convert to PDF I love PDF.

On older models, it's important:

• 🔋 Charge your phone up to 50% – scanning consumes a lot of energy.
• 📶 Disable mobile Internet during shooting (saves charge).
• 🗃️ Save scans to a memory card, not to internal memory.