How to make a scan on the phone Xiaomi Redmi 7: 5 proven ways

Xiaomi Redmi 7 is still a popular budget smartphone, despite the release of new models. QR-In this article, we will discuss all possible ways, including embedded tools and third-party applications that work even on older versions. MIUI.

Many users don't know that you can scan codes without installing additional programs, such as setting the camera correctly or using hidden system functions, and we'll also look at how to scan a document to create a PDF, what settings optimize the process, and what to do if the phone doesn't recognize the code.

We will pay special attention to the nuances of working on Redmi 7: the limitations of the iron part (for example, the absence of a wide-angle lens) and the software features of the MIUI 10-12.

1. Scanning. QR-codes through a standard camera

The fastest way is to use the Xiaomi Redmi 7’s built-in camera. QR-codes activated by default in MIUI, But you can accidentally turn it off. Here's how to check and turn it on:

1. Open the Camera app.
2. Point the lens at QR-code so that it fits fully into the viewfinder.
3. Wait for the notification to appear with a suggestion to click on the link (usually takes 1-2 seconds).

If recognition is not working:

• 🔧 Go to Settings. → Annexes → Camera. → Recognition QR-codes and turn on the slider.
• 📱 Update the firmware: in MIUI 12+ function is more stable than in MIUI 10.
• 💡 Make sure the code is not damaged and the lighting is adequate (in low light use a flashlight).

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If the camera is thinking long, try rebooting the phone, and sometimes MIUI background processes block recognition.

Limitation: The standard Redmi 7 camera does not recognize PDF417 (ticket codes) and some DataMatrix.

2. Using Google Lens to scan

Google Lens is built into the Google Photos app and allows you to scan more than just the Google Photos app. QR-It works on Redmi 7 without even Google Camera:

1. Open Google Photos (if not installed, download from Play Market).
2. Click on the Lens icon in the search bar or select a photo with a code from the gallery.
3. Point the camera at the object – Lens will automatically determine the type of code and suggest actions.

Advantages of the method:

• 🌐 Recognizes multitasking codes (e.g., with multiple links).
• 📄 Scanning texts with copyability (useful for documents).
• 🛒 Determines products by barcodes with price output in online stores.

Important: Google Lens requires an internet connection to process data. Offline mode supports only basic features.

3. Mi Scanner app: official solution from Xiaomi

Mi Scanner is a proprietary application from Xiaomi, optimized for devices on MIUI. It supports:

• 🔗 QR-codes (including dynamic codes).
• 📊 Barcodes (EAN-13, UPC-A, Code 128).
• 📑 Creation PDF scanned.
• 🔦 Built-in flashlight for scanning in the dark.

How to use:

1. Download Mi Scanner from the Play Market or App Gallery.
2. Launch the app and allow access to the camera.
3. Select the type of scanning: QR-Code for links and Wi-Fi. Barcode for goods. Document for creation PDF.

Point the camera at the object and wait for automatic recognition.

Mi Scanner saves scan history, which is convenient for reusing codes (such as Wi-Fi passwords), but the history is only stored locally and is not synced with the Xiaomi account.

4. Scanning documents in PDF

To create electronic copies of documents (passports, receipts, contracts) on Redmi 7 suitable:

• 📱 Mi Scanner (Section Document).
• 📄 CamScanner (Paid Version Removes Watermarks).
• 🖼️ Google Drive (built-in scanner when downloading files).

The following steps are taken for Mi Scanner:

1. Select Document Mode.
2. Point the camera on the sheet so that it fits fully into the frame.
3. Press the capture button – the app will automatically trim the edges.
4. Click Save as PDF and select the folder to export.

For better quality:

• 📸 Take pictures in natural light (avoid the glare of the lamps).
• 📏 Keep your phone parallel to the document (curves worsen) OCR).
• 🔍 In the application settings, select Black and White Mode for text without background.

5. Solving scanning problems

If the Xiaomi Redmi 7 does not recognize codes, check:

⚠️ Note: Redmi 7 with custom firmware (e.g. LineageOS) has built-in recognition QR If you do, use Google Lens or Barcode Scanner from ZXing Team.

• 🔋 Battery savings: Turn off power saving mode in Settings → Battery – It limits the camera.
• 📱 Permissions: Make sure the app has access to the camera (Settings) → Annexes → Permits).
• 🔄 Cache Clearing: For Camera or Mi Scanner, perform Settings → Annexes → [Annex] → Warehouse → Clear the cache.
• 📡 Google Lens and some scanners require a connection to process data.

If the code is corrupted:

• Try scanning it from a different angle.
• Use manual focusing apps (like Gamma Play’s QR & Barcode Scanner).
• For barcodes on packages, clean the surface of dirt.

6. Alternative scanning applications

If standard methods do not fit, install one of the proven applications:

For installation:

1. Go to the Play Market.
2. Enter the name of the application in the search.
3. Click Set and confirm permissions.

⚠️ Note: Some scanners (especially the little ones) may collect data about scanned codes.

On Redmi 7, we recommend avoiding applications with high RAM requirements (for example, NeoReader can slow down by 2 GB of RAM).

7. Scan for Wi-Fi connection

One of the most convenient scenarios for using a scanner is connecting to Wi-Fi via a computer. QR-Many routers (such as Xiaomi Mi Router) generate such code on a sticker or web interface.

How to connect:

1. Scan it. QR-code with network data in any of the above methods.
2. In the window that appears, click Connect.
3. Confirm the connection – the phone automatically saves the network.

If the code is not recognized:

• 📶 Make sure the router is on and broadcasting the network.
• 🔒 Check that the code is not outdated (some routers generate temporary ones). QR).
• 📱 Restart your phone - sometimes MIUI Do not apply new network settings immediately.

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QR-Wi-Fi codes contain the network name (SSID) Don't share such codes in public places (social networks, instant messengers).

FAQ: Frequent questions