How to make a scan on the phone Xiaomi Redmi 8: from QR-code-to-document

Xiaomi Redmi 8 is one of the brand's most popular budget smartphones, but its scanning capabilities often go unnoticed.Many users are unaware that the device can recognize. QR-codes, barcodes, and even scan documents without installing additional applications. In this article, we will examine all the available methods, from built-in functions. MIUI to specialized services, as well as reveal the nuances that are not written in the official instructions.

The Redmi 8 is based on MIUI, Xiaomi's proprietary shell, which is updated regularly, which means that scanning methods may vary depending on the firmware version. We've taken all the current options (including MIUI 12/14) into account and put them together in one guide, and if you're looking for a way to quickly scan the code in the store, digitize the passport or save a check, here's a solution for any task.

1. Scanning. QR-codes through the built-in camera

The easiest way is to use the standard Camera app. Redmi 8 has a recognition feature. QR-The code is integrated by default, but it needs to be activated correctly. Many users complain that the scan doesn't work, although the problem is often the settings or firmware version.

To scan. QR-code:

  • πŸ“· Open the Camera app and switch to the main camera (not a selfie!).
  • πŸ” Point the lens at QR-code so that it fits fully within the viewfinder frame.
  • πŸ”— Wait for a notification with a link or text (usually a yellow frame and a pop-up appear).
  • πŸ‘† Click on the notification to click on the link or copy the data.

If the scan doesn't work:

  • βš™οΈ Check if the feature is enabled in the camera settings: Settings β†’ Additionally. β†’ Scan. QR-code.
  • πŸ”„ Update the firmware to the latest version MIUI (In older versions, the function may not be available).
  • πŸ’‘ Make sure the code is not corrupted and has sufficient contrast (black on a white background is best scanned).

πŸ’‘

If QR-code is not recognized, try to turn on the flashlight (Camera) β†’ Lantern icon. This helps in low light or if the code is printed on a glossy surface.

Redmi 8 scanning function QR-It's only photo-based, not video-based, if you try to scan the code while you're recording, it's not going to work.

2.Use of the β€œScanner” app from Xiaomi

Xiaomi has preinstalled a special application on Redmi 8 Scanner (icon with a magnifying glass on a green background). QR-codes, but also barcodes, ISBN-Book codes and can also recognize texts through the camera (function) OCR). The app is often hidden in the Tools or Others folder – check all screens.

How to use:

  1. Open the Scanner app.
  2. Select the type of scanning: πŸ”– QR-code - for links, Wi-Fi, contacts; πŸ“¦ Barcode - for goods in the store; πŸ“š ISBN β€” book-book; πŸ“„ Text - for recognition of printed text (OCR).

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

Click on the result to open the link or save the data.

Advantages of this method:

  • βœ… It works without the internet (except for the internet). OCR and some types of codes).
  • βœ… Supports scan history (you can return old codes).
  • βœ… Faster third-party applications due to optimization under MIUI.
What to do if the Scanner application is not available?
If you haven't found the app, check 1. Tools folder on the home screen. 2. All apps menu (swipe up from the bottom of the screen). 3. Hiding ability: Settings β†’ Apps β†’ Hidden apps. If it's not there, download from the Mi App Store (Scanner search).

Scanning of documents in high quality

If you need to digitize your passport, receipt, or other document, a standard camera is not going to work, it distorts perspective and adds shadows, and you'd better use Document mode in the Camera app or specialized services like CamScanner or Microsoft Lens.

Instructions for built-in mode:

  1. Open the Camera and select Doc (or Document) mode.
  2. Place the document on a flat surface with good lighting.
  3. Point the camera so that the document is fully placed in the frame.
  4. Wait for automatic allocation of borders (a yellow frame will appear).
  5. Press the shooting button. The finished scan will be saved in the gallery in PDF or JPG format.

Comparison of document scanning methods:

MethodQuality.FormatsAdditional functionsInternet
Built-in camera (Document Mode)Average.JPG, PDFAuto-levelingNo.
CamScannerHigh.PDF, JPG, PNGOCR, cloud storageYes (for OCR)
Microsoft LensVery high.PDF, Word, PowerPointTable recognition, export to OfficeNo (OCR - yes)
Google Drive (scan through the app)Good.PDF, JPGAutoboot to the cloudYes.
πŸ“Š How do you scan documents more often?
Built-in camera
CamScanner
Microsoft Lens
Google Drive
Other annex

Important: When scanning your passport or other personal documents, turn off autoloading to the cloud (such as Google Photos or Mi Cloud).

4.Scanning barcodes for purchases

Redmi 8 is great at scanning barcodes of goods – it is convenient for comparing prices, authentication or quick search for reviews.

  • πŸ“± Built-in scanner (Brickcode mode);
  • πŸ›’ Apps like Barcode Scanner or ShopSavvy;
  • 🌐 Online services (e.g. BarcodeSpider).

Step-by-step instructions for checking the goods:

  1. Open the Scanner app and select the Barcode mode.
  2. Point the camera at the code on the package (hold the phone parallel to the surface).
  3. After recognition, click on the result - a page with information about the product will open (if the Internet is connected).
  4. For price comparison, use apps like PriceCheck or Yandex.Market.

πŸ”Ή Make sure the code is not erased and clearly visible.

πŸ”Ή Compare the first 3 digits with the country code of the manufacturer

πŸ”Ή Check the length of the code (standard) EAN-13 β€” 13 numbers)

πŸ”Ή Use it. 2-3 Different Cross-checking Applications-->

⚠️ Warning: Some fraudsters forge barcodes on products, and if you see a mismatch in the name or country of origin when scanning, you should be wary, for example, if the package says "Made in Germany" and the barcode begins with "Made in Germany" 460-469 (Russia) or 690-695 (China, the goods may be counterfeit.

5. Scanned through Google Lens (Google Lens)

If your Redmi 8 has Google services installed, you can use Google Lens to scan codes, text, and even object recognition.

  • πŸ“Έ Google Photos app (Lens icon at the bottom);
  • πŸ” Google Assistant (voice command "Ok Google, what is it?");
  • 🌐 Chrome browser (long press on image) β†’ Searching with Lens).

How to scan. QR-code through Google Lens:

  1. Open Google Photos and click on the Lens icon (or select a photo with a code from the gallery).
  2. Put the camera on QR-code or select it in an existing photo.
  3. Google Lens automatically recognizes the code and prompts you to click on the link.

The advantages of Google Lens:

  • πŸ” Recognizes not only codes, but also texts, plants, animals, sights.
  • 🌍 Supports translation of text from photo to 100+ language.
  • πŸ“± Works offline for basic functions (e.g. scanning) QR).

Restriction: On Redmi 8 with Chinese firmware (MIUI China), Google Lens can be blocked, in which case use alternatives like Yandex.Lens or Bing Visual Search.

6. Alternative scanning applications

If you don't like the built-in MIUI features, you can install third-party apps, and we tested the top solutions and selected the best ones for Redmi 8:

Top.-5 scanner:

AnnexRatings.FeaturesCons
QR & Barcode Scanner (by Gamma Play)4.7Fast scan, history, flashlight, vibration when recognizingAdvertising in the free version
CamScanner4.6OCR, cloud storage, PDF editing, automatic croppingWatermarks in the free version
Microsoft Lens4.5Export to Word/Excel, table recognition, high quality PDFRegistration required for synchronization
Kaspersky QR Scanner4.4Checking links to viruses, blocking dangerous sitesSlower than analogues
Fast Scanner4.3Minimalist interface, support for multi-page PDFLimiting the number of scans per day

⚠️ Note: When installing scanning applications, check permission requests. If the program requires access to SMS, Contacts or Geolocation without an obvious reason, this is an excuse to refuse to use it. Camera, Storage (for file storage) and Internet (for file storage) OCR or code-checking).

πŸ’‘

For maximum security, use the Kaspersky QR Scanner or Xiaomi's built-in Scanner.They check for phishing links and viruses before opening.

FAQ: Frequent scanning questions on Redmi 8

πŸ”Ή Why the camera doesn't recognize QR-code, though it's clear?
The reasons may be as follows: The feature in the camera settings is disabled (Settings) β†’ Additionally. β†’ Scan. QR-Too close or too far away, keep your phone 15 to 30 cm away from the code, bad lighting, turn on your flashlight or move the scan to a lighter location, and the code is printed on a glossy surface, and try changing the angle of the phone to remove the glare. If nothing helps, use the app. QR & Barcode Scanner is more sensitive to low-quality codes.
πŸ”Ή Can I scan the codes from another phone screen?
Yes, but there are nuances: Make the source screen brighter to maximum. Turn off the power saving mode (it can reduce the refresh rate of the screen); Use Redmi 8 in photo mode, not video, so recognition works more stable. If the code flickers or is not scanned, take a screenshot on the first phone and show it to the second device.
πŸ”Ή How to scan the code if the camera is broken?
Solutions: Connect your phone to your computer through USB-Debugging and using a camera emulator (like DroidCam) If the screen works but the camera doesn't, take a photo of the code with another device and transfer the photo to Redmi 8 via Mi Drop or Bluetooth, then use Google Lens to recognize. Restore the camera in the service center (on Redmi 8, the module replacement is worth it). ~1 500–2 500 β‚½).
πŸ”Ή Whether Redmi 8 scans NFC-marker?
Redmi 8 not equipped with module NFC, So you can't scan tags or pay for them without contact. NFC (For example, Redmi Note 8 Pro or later. Alternative: use QR-payment codes (for example, in Sberbank Online or Tinkoff).
πŸ”Ή How to save a scanned document in PDF?
Methods depending on scanning method: Built-in Camera: After shooting in Document mode, click Save as PDF (the option will appear after processing). CamScanner: Open the scan β†’ Share β†’ Save as PDF. Microsoft Lens: Select PDF when exporting and specify folder to save. Google Drive: Download a photo of the document β†’ Open to... β†’ Save as PDF. PDF file can be sent by mail or uploaded to the cloud directly from the application.