How to scan. QR-code 6A: working methods

Xiaomi Redmi 6A It is still one of the most popular budget smartphones because of its reliability and simplicity, but many users are faced with the problem of how to scan quickly. QR-code if the phone does not have a preinstalled scanner? In this article, we will discuss all possible ways - from built-in functions MIUI To third-party apps, and solve common bugs, such as when the camera isn’t focusing on code or the screen is too dim to scan.

The Redmi 6A is a feature that runs on MIUI 9-11 (depending on the firmware version), where QR scanning functionality may be hidden or missing, and we tested all the methods on a real device and identified those that work reliably even on older versions of the software. If you need to read code from another phone screen, a check in the store or a label, here you will find the best solution.

1. built-in QR scanner in a standard camera

The most obvious way is to use the Camera app, which is the default on the Redmi 6A. However, not everyone knows that the QR scanning function can be disabled or hidden.

Open the Camera app and point the lens at QR-If the function is enabled, a notification will appear on the screen asking you to click on the link:

  • πŸ” Check that the camera settings have Scan option enabled QR-codes (path: Camera) β†’ Settings (cogs) β†’ Additionally).
  • πŸ“± Make sure you have the latest version installed. MIUI (Update through Settings β†’ The phone. β†’ Updating the system).
  • πŸ’‘ If there is no option, then your version MIUI It does not support it – go to the following methods.

An important caveat: the built-in scanner in Redmi 6A may not recognize codes with low contrast (such as those printed on glossy paper or with backlights).

  • 🌞 Send additional light (lantern or lamp) to the code).
  • πŸ“ Step away and zoom in with digital zoom (not optical!).
  • πŸ”„ Turning your phone or code over sometimes helps to change the angle of the shooting.
πŸ“Š How often do you scan? QR-code?
Every day.
Several times a week
redico
Never.

2. scan through "Quick Settings" (MIUI 10 and above)

In MIUI 10 and later, a hidden tool for scanning QR directly from the notification panel has been introduced, and this method works even if the standard camera does not recognize the codes.

  1. Swipe your finger down from the top of the screen to open the notification bar.
  2. Find the QR Scanner icon (usually hidden – click on Edit in the upper right corner and add it to active shortcuts).
  3. Slip the icon, point the camera at the code and wait for recognition.

The advantage of this is that it allows instant access without the camera starting, but there are limitations.

PlusesCons
No need to install applicationsIt only works on MIUI 10+.
Faster than a standard cameraMay not recognize damaged codes
Supports links, Wi-Fi and contactsNo history of scanning.

If the QR Scanner icon is not in the quick settings even after editing, then your version of MIUI does not support it - this method will not work.

3.The β€œMi Scanner” app is the official solution from Xiaomi

Xiaomi has released the official Mi Scanner app, which is optimized for budget models, including the Redmi 6A. It is lightweight (only ~5 MB), does not require registration and can scan:

  • πŸ”— References and URL
  • πŸ“Ά Wi-Fi passwords
  • πŸ“ž Contacts (vCard)
  • πŸ“„ Text data

How to install and use:

  1. Download Mi Scanner from Google Play (or through the App Store if you have global firmware).
  2. Open the app and allow access to the camera.
  3. Point the lens at QR-code – recognition occurs almost instantly.

The advantage of the Mi Scanner over its analogues is a minimalist interface without advertising and unnecessary functions, but it has a feature: in low light, you may need to turn on the flashlight manually (button in the lower right corner of the screen).

Turn on the flashlight in poor lighting |

Allow access to the camera in settings|

Turn off energy saving for the application |

Keep your phone 10 to 20 cm away from the code-->

4 Third-Party Apps: What to Choose for Redmi 6A

If the built-in methods don't work, third-party scanners will come to the rescue. - For Redmi 6A It's important to choose lightweight applications that don't slow down the device. 5 popular options and chose the top-3:

AnnexSizePlusesCons
QR & Barcode Scanner (by Gamma Play)3.8 MBQuick recognition, scan historyAdvertising in the free version
Barcode Scanner (ZXing Team)4.2 MBOpen source, without advertisingOutdated interface
Kaspersky QR Scanner8.1 MBChecking safety referencesIt's a bit heavy for the Redmi 6A.

For Redmi. 6A We recommend QR & Barcode Scanner is the optimal speed-to-weight ratio, and you can install it through Google Play or Google Play. APK-file from verified sources (e.g. APKPure).

⚠️ Attention: When installed APK From unknown sources, disable the option Unknown sources in the security settings after installation to avoid the risk of virus infection.

If the app doesn't recognize the code, try:

  • πŸ“± Reboot your phone (sometimes helps with camera glitches).
  • πŸ”„ Clear the application cache (Settings) β†’ Annexes β†’ Select a scanner β†’ Warehouse β†’ Clear the cache).
  • πŸ“Έ Wipe the camera lens – dust or fingerprints may interfere with focus.

5. scanning QR from another phone's screen

A common situation is to scan the code that is displayed on the screen of another smartphone or tablet, and there are two problems:

  1. Screen flickering (due to automatic brightness adjustment).
  2. Low contrast (especially in the case of AMOLED-screen).

Decisions:

  • πŸ“± On the phone you are scanning, increase the brightness to maximum and turn off automatic adjustment.
  • πŸ” On the Redmi. 6A Use macro mode (if any) or bring the camera 5-10 cm closer to the screen.
  • 🌐 If the code is not readable, take a screenshot on the first phone, send it to Redmi. 6A and open through the gallery - some scanners can read codes from photos.

For scanning from the photo suitable:

  • Google Lens (built into Google Photos)
  • Mi Scanner (there is a function "Scan from the gallery").

⚠️ Note: Some codes (for example, for payment or authorization) may be disposable. If you took a screenshot but don't have time to scan it, the code may become obsolete.

6.The solution to the problems: why the Redmi 6A doesn't scan the QR

If neither method works, the reason may lie in hardware or software constraints.

Problem.Possible causeDecision
The camera is not focusing.Contaminated lens or software failureClean the camera, reboot the phone.
The scanner does not respond to the codeToo faint or damaged QRUse a flashlight, try another app
App flies outLack of RAMClose the background programs
Colored QRs are not recognizedStandard scanners can only read black and white codes.Use QR & Barcode Scanner with color code support

If the problem persists, check:

  • πŸ”§ Application Permissions: Go to Settings β†’ Annexes β†’ Permits β†’ Camera and make sure the scanner is allowed access.
  • πŸ“± Camera status: Test it in other applications (e.g., take a photo) If the camera doesn't work at all, you may need repairs.
  • πŸ”„ Version MIUI: on very old firmware (below) MIUI (9) scanning QR Update the software or use third-party applications.

πŸ’‘

If QR-The code contains important information (such as a Wi-Fi password), take a screenshot and save it to a secure Notes or Google Keep folder in case the original is lost.

7. Alternative methods: without camera and applications

If the camera on the Redmi 6A is broken or you are unable to use the scanner for some reason, there are workarounds:

  • πŸ’» Scan through a computer: take a photo of the code on another phone, transfer the photo to a PC and use online services like ZXing Decoder.
  • πŸ“± Manual data entry: if QR It contains text (like a Wi-Fi password), try to type it manually. To do this, zoom in on the screen and look at the characters.
  • πŸ”— Voice Assistant: In some cases, Google Assistant can recognize QR And then you say, OK, Google, scan. QR-code" (requires an installed Google app).

These methods are less convenient, but they will help in emergency situations, for example, if you need to connect to Wi-Fi, and the code on the router is not scanned, you can:

  1. Take a picture of him on another phone.
  2. Send photos to Redmi 6A via Bluetooth or messenger.
  3. Open the photo in Google Photos and click β€œLinse” to recognize.
How to recognize QR-Python code (for advanced users)
If you have access to a computer, you can write a simple script in Python with the pyzbar library: from pyzbar.pyzbar import decode from pyzbar. PIL import Image image = Image.open('qr_code.png') decoded_objects = decode(image) for obj in decoded_objects: print("Type:", obj.type) print("Data:", obj.data.decode('utf-8')) You need to install libraries using the pip install pyzbar pillow command.

FAQ: Frequent QR scanning questions on Redmi 6A

Can I scan it? QR-redmi codes 6A internetless?
Yes, you don't need the Internet to scan the scan itself, but if the QR contains a link, you'll need to connect to the network to access it, and applications like Mi Scanner or QR & Barcode Scanner are offline.
Why the scanner makes an error "Impermissible" QR-codeΒ»?
This happens for three reasons: the code is corrupted or partially erased; the image resolution is too low (if you scan from a photo); the QR contains non-standard encoding (for example, Chinese characters); the solution is: try another application or improve the quality of the source code.
How to scan. QR-code?
Use any scanner in the article. Once recognized, a window will appear that suggests you connect to the network. Redmi 6A may need to manually confirm the connection in Wi-Fi settings (Settings β†’ Wi-Fi β†’ Select Network).
Can we create our own? QR-redmi 6A?
Yes, you can use applications like QR Code Generator or online services like goQR.me to encode text, link, contact, or Wi-Fi data.
Why does nothing happen after the scan?
Probable reasons: QR contains non-clickable information (e.g., just text). In the browser settings, automatic link opening is disabled; the crawler does not have permission to open the URL (check permissions); Solution: copy the data from the scanner manually and paste it into the browser or the desired application.

πŸ’‘

On Redmi 6A, the most reliable way to scan QR is to use the Mi Scanner app or the QR & Barcode Scanner app. The built-in camera may not recognize codes on older versions of MIUI, so third-party solutions are often more efficient.