Xiaomi Redmi’s Lens App: Hidden Features You Didn’t Use

The Lens app on Xiaomi Redmi smartphones often goes unnoticed among standard utilities, and many users mistakenly believe it is a simplified version of the camera or an unnecessary Google Lens backup. It’s actually a powerful tool with unique features that go beyond a normal scan. QR-From plant recognition to instant translation of text from photos, the Lens can replace several specialized applications.

In this article, we will discuss in detail why you need a “lens” on Redmi, how it integrates with the Internet. MIUI, And what's hidden behind its minimalist interface, you'll learn how to save time on information, avoid installing unnecessary software, and even use the app for learning or work. Why some features may not work on your model and how to fix them.

Spoiler: If you are still using the lens only for scanning QR-You are missing 80% of your capabilities.

What is the Lens App and How It Came to Xiaomi Redmi

«Lens (com.xiaomi.scanner in the system) is a proprietary application from Xiaomi, which combines the functions of a scanner, visual search and augmented reality (AR). It was first presented in the MIUI 12 as an alternative to Google Lens, but with enhanced features for the Chinese market, later adapted for global firmware, although some options remained exclusive to regional versions.

Unlike a standard camera, the Lens is not designed to capture photos or videos, but instead is designed to analyze images in real time using artificial intelligence.

• 🔍 Recognize objects (plants, animals, foods, books)
• 📄 Read and translate text from 50+ language
• 🛒 Scanning the barcodes and QR-codes (including dynamic codes)
• 🎨 Determine colors and select palettes
• 📍 Find analogues of products in online stores

Interesting fact: in the Chinese version MIUI «The lens is closely integrated with Alibaba and Taobao, allowing instant search of products from photos, which has been replaced by Amazon or local marketplaces in global firmware.

The app is pre-installed on all Xiaomi Redmi smartphones since the Redmi Note 8 (2019), and on older models it can be installed manually via the Redmi Note. APK, But some of the functions may not work due to the lack of support for neural networks on weak processors.

The main functions of the “lens”: from scanning QR plant-recognition

The application interface is divided into 4 main tabs, each of which is responsible for its own type of analysis, and let's take a look at them in detail, with examples where these features can be useful in everyday life.

1. Scanner (QR/barcode)

The most popular feature, but with nuances. The lens recognizes not only static features. QR-codes, but also dynamic (for example, in payment systems or tickets), while it works faster than a standard scanner in Settings. → Connections and sharing → Scanner. QR, It runs directly through the camera without clicking.

2. Text (OCR + translation)

Here is hidden one of the most powerful tools – optical character recognition (OCR) It's Cyrillic, it's hieroglyphic, it's even handwritten:

• 📖 Take a photo of the book page and copy the text into notes
• 🌍 Translate a sign or menu in a foreign language
• 📑 Save data from documents (passport, driver's license) in digital form

Objects (visual search)

This tab uses the Xiaomi and partner database to identify items, such as:

• 🌿 Pointed the camera at the house plant - got the name, care and watering tips
• 🐕 I took a picture of the dog breed and learned its characteristics and the average price of puppies.
• 📚 I scanned the cover of the book - I saw the rating, the annotation and where to buy it

Translation (real time)

It works like Google Translate, but with one key advantage: it is superimposed directly on the camera image, and it is easy to read foreign signage, menus or instructions without having to copy text.

Hidden Opportunities: 5 Chips You Didn't Know About

Even experienced Xiaomi Redmi users are often unaware of these Lens features.We tested them on the Redmi Note 12 Pro.+ redmi 10C — All are operating consistently (except for item 5 on budget models).

1. Search for similar products by photo

Take a picture of something (clothing, shoes, accessories) and it will find its counterparts in AliExpress, Amazon, or local stores, useful if you see it in a friend's house or on social media, but you don't know where to buy it.

⚠️ Note: The function may not work in Russia due to sanctions restrictions. VPN exiting to Turkey or Kazakhstan.

2. Recognition of mathematical equations

Point the camera to an example or a formula — The Lens not only recognizes symbols, but also offers a step-by-step solution (through integration with Wolfram Alpha), and supports equations from school algebra to higher mathematics.

3. Definition of color palettes

Designers and artists will love the Color Analysis tool. Point your camera at any object, the app will show you. HEX-color codes, select harmonious combinations and even offer analogues in color catalogs (for example, RAL).

Scan of auto-cutting documents

CamScanner alternative: Take a picture of the document (passport, receipt, diploma), and the Lens will automatically straighten the perspective, trim the edges and save the image. PDF. Quality is comparable to professional scanners.

5. AR-measurements (only on flagships)

On models with ToF sensor (for example, Redmi) K60 Pro) distance and area measurements are available through the camera — ±2 cm at a distance of up to 3 meters. Useful for repair, purchase of furniture or check the dimensions of the room.

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If the function AR-If you don't have measurements on the menu, check for a ToF sensor in your model's specifications, and it's missing, which is the main reason why the option might be hidden.

Step-by-step: how to use the “lens” at full capacity

To unlock the full potential of an application, follow this algorithm. We'll take a look at the settings using the Redmi Note 11 Pro.+ s MIUI 14, but the instruction is relevant for other models.

Step 1: Update of the application

Before using, check the version of the “lens”:

1. Open Settings → Applications → Application Management.
2. Find the Lens (or Lens) in the list.

Up-to-date version at 2026 is 3.5.0.21 or higher.Old versions may not support OCR cyrillic.

Step 2: Set up permits

For full operation, the application needs rights:

• 🌐 Internet – to search for information about objects

To issue permits:

1. Press the “lens” icon on the main screen → Information on the annex.
2. Go to Permissions and turn on all the switches.

Step 3: Optimizing productivity

On weak smartphones (for example, Redmi). 9A) «The lens can slow down. To speed things up:

Update the application to the latest version

Issuance of all necessary permits

Clear the cache in the application settings

Turn off battery savings for "lens"

Check the stability of the Internet connection-->

Compatibility table: What features work on your Redmi model

Not all of the features of the Lens are available on budget smartphones. Below is a comparison table for popular Xiaomi Redmi models (2020–2026 Data relevant to global firmware MIUI 13/14.

Important: On models with Snapdragon processor 4xx (Like Redmi. A1) function OCR It can work unstable due to weak iron acceleration of neural networks.

Typical problems and their solutions

Even on the flagship Redmi, users are confronted with bugs in the Lens. TOP-5 Errors and ways to correct them, confirmed by tests on 15+ model.

1. "Can't connect to the server" when scanning objects

The reason: blocking access to Xiaomi servers in your region.

Decision:

2. Cyrillic is not recognized in mode OCR

The reason: there is no language package for Russian.

Decision:

1. Open Settings → Additional → Language and input.
2. Add Russian to the list.
3. Restart “Lens” and select Russian in the settings OCR.

3.The application flies out at launch AR-regime

Reason: insufficient RAM or outdated version MIUI.

Decision:

• 🧹 Clear the app cache in the settings.
• 🔄 Update your firmware to the latest stable version.
• 🚫 Turn off battery savings for the “lens».

4. Incorrect translation of the text

Reason: Use of a stripped-down database in the global version.

Decision:

5. Document scans are not retained

Reason: Lack of permission to record in the vault.

Decision:

1. Go to Settings. → Annexes → Objective → Permits.
2. Enable Storage and File Management.
3. Try saving the document to another folder (e.g. Downloads instead of Pictures).

⚠️ Note: If after all the manipulations, the function does not work, check whether the Xiaomi Cloud service is disabled in the account settings.

Alternatives to the “lens”: when to use other applications

Although the lens covers 80 percent of the tasks, in some cases it's better to use specialized tools. We tested 10 analogues. TOP-3, worth keeping on hand.

1. Google Lens

✅ Pluses:

• 🌍 A more extensive database for object recognition
• 🔍 It is better to cope with rare plants and animals
• 📚 Integration with Google Search and Google Photos

❌ Cons:

• No built-in scanner. QR-code
• OCR It works slower on budget smartphones

2. CamScanner

✅ Pluses:

• 📄 Professional document scanning with cloud synchronization
• 🖼️ Support for batch processing (several page scanning)

❌ Cons:

• Paid subscription for extended functions
• Advertising in the free version

3. Mathway

✅ Pluses:

• 🧮 Solves equations more complex than the lens (including differentials)
• 📚 Step-by-step explanations with theory

❌ Cons:

• No integration with the camera – you need to enter the equations manually
• Limitation on the number of free solutions

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"Xiaomi’s lens wins over its peers in terms of speed and integration with the MIUI, But it's losing out in depth analysis (QR, translation, scanning, etc., its capabilities are sufficient, and for professional purposes it is better to combine with other tools.

FAQ: Answers to Frequent Questions