In the realm of technological innovation, the Huawei Mate 20 emerges as a formidable contender, boasting an array of groundbreaking features that redefine the smartphone experience. Among its many capabilities lies a seamless and intuitive QR code scanning function that empowers users to access a wealth of information and digital services with lightning speed. Let us embark on a comprehensive guide to unravel the mysteries of QR code scanning on the Huawei Mate 20, revealing its simplicity and unlocking its boundless potential.
Upon unlocking the device, the default camera application is readily available for capturing QR codes. Simply point the rear camera at the QR code, ensuring that the entire code is within the designated frame. Almost instantaneously, the Huawei Mate 20’s advanced algorithms decode the QR code, revealing its hidden contents. If the code contains a website URL, the browser will automatically open, transporting the user to the desired destination. Should the QR contain contact information, an option to save the contact directly to the user’s address book will appear. The process is effortless, allowing for quick and convenient access to information.
The Huawei Mate 20’s QR code scanning capabilities extend beyond the confines of its built-in camera application. Third-party QR code scanner apps are readily available for download from the Google Play Store, further enhancing the device’s versatility. These dedicated apps often offer additional features, such as the ability to scan QR codes from images or create custom QR codes for sharing personal information or business promotions. Moreover, the device’s sleek design and powerful processor ensure a seamless scanning experience, even in low-light conditions or challenging environments.
Scanning QR Codes with Huawei Mate 20’s Built-in Scanner
Accessing the QR Code scanner
The Huawei Mate 20’s built-in QR Code scanner is conveniently located in the camera app. To access it:
1. Open the camera app.
2. Tap the “More” option in the bottom menu bar.
3. Select “Lens” from the list of options.
Scanning QR Codes
Once you have accessed the QR Code scanner, point the camera at the QR Code. The scanner will automatically recognize and scan the code. You may receive various options based on the type of QR code scanned. For instance, if it contains a link, it will prompt you to open the URL. If it’s a contact, you can add the new contact directly to your phone’s address book.
If the scanner fails to recognize the QR Code automatically, tap the “Scan QR Code” button in the bottom menu bar. The scanner will initiate a dedicated QR Code scanning mode, allowing you to manually adjust the camera’s position and focus.
Settings and Options
The QR Code scanner includes several settings and options to enhance your scanning experience:
| Setting | Description |
|---|---|
| Flashlight | Enable or disable the flashlight for scanning in low-light conditions. |
| Auto-focus | Enable or disable automatic focus adjustment, allowing the scanner to optimize its focus for clearer scans. |
| Motion detection | Enable or disable motion detection, which automatically scans QR Codes as you move the camera across them. |
Using Third-Party QR Code Scanner Apps
If your Huawei Mate 20 doesn’t have a built-in QR code scanner, or if the native scanner doesn’t meet your needs, you can download and install a third-party QR code scanner app from the Google Play Store. There are many different QR code scanner apps available, both free and paid. Some of the most popular and feature-rich QR code scanner apps include:
- QR Code Reader by Scan
- QR & Barcode Scanner by Gamma Play
- Barcode Scanner by ZXing Team
- QR Code & Barcode Reader by Kaspersky Lab
Once you have installed a third-party QR code scanner app, you can simply open the app and point the camera at the QR code you want to scan. The app will automatically detect and scan the QR code, and then display the results on the screen. You can then choose to open the website, contact information, or other content associated with the QR code.
Most third-party QR code scanner apps offer a variety of features and options, such as:
| Feature | Description |
|---|---|
| Auto-scan | The app will automatically scan QR codes as soon as it detects them, without you having to press any buttons. |
| Flashlight | The app can use the flashlight to illuminate QR codes in low-light conditions. |
| History | The app can keep a history of all the QR codes you have scanned. |
| Share | You can easily share QR codes with other people using the app. |
| Customize |
Optimizing Camera Settings for Optimal Scanning
The Huawei Mate 20’s camera is already quite capable of scanning QR codes, but you can further optimize its performance by adjusting a few settings. Here’s how:
Ensure Adequate Lighting
QR codes rely on a clear contrast between the black and white squares to be scanned accurately. Ensure there is sufficient lighting in the area where you’re scanning the code, preferably bright and even. Direct sunlight or a bright indoor light source can help improve the camera’s ability to capture the code’s details.
Focus on the QR Code
While the autofocus feature on the Mate 20’s camera usually works well, it’s crucial to manually focus on the QR code before scanning it. Tap the QR code on the screen to bring the camera into focus, ensuring the code is crisp and clear within the camera’s viewfinder.
Use QR Code Scanning Mode (Optional)
The Huawei Mate 20 has a dedicated QR code scanning mode that you can enable within the camera app. This mode optimizes the camera’s settings specifically for scanning QR codes. To enable it:
| Open the camera app |
Tap the “More” option |
Select “Scan QR Codes” |
|---|
| Setting | Effect |
|---|---|
| Blue Light Filter | Reduces blue light emission, which can improve QR code detection under low light conditions. |
| Natural Tone | Adjusts the screen’s color temperature to match the ambient light, improving QR code visibility in different lighting scenarios. |
| Eye Comfort Mode | Reduces eye strain and improves readability, making it easier to focus on QR codes. |
Once the brightness is optimized, you can now scan QR codes with greater accuracy and speed. Remember to adjust the brightness whenever you encounter different lighting environments to ensure optimal scanning performance.
Scanning a QR Code with Huawei Mate 20
To scan a QR code with your Huawei Mate 20, simply open the Camera app and point it at the code. The camera will automatically recognize the code and display the associated information. You can then choose to open the website, add the contact to your phone, or perform any other action associated with the QR code.
Troubleshooting Common QR Code Scanning Issues
1. Make sure the camera is focused on the QR code.
If the camera is not focused on the QR code, it may not be able to recognize it. Make sure that the entire code is visible within the camera’s frame.
2. Check the lighting conditions.
QR codes can be difficult to scan in low-light conditions. Make sure that there is sufficient light around the QR code before trying to scan it.
3. Clean the camera lens.
A dirty camera lens can interfere with QR code scanning. Use a clean cloth to wipe the lens before trying to scan a code.
4. Update the Camera app.
The Camera app may need to be updated to support QR code scanning. Check the Google Play Store for updates to the app.
5. Restart the phone.
Restarting the phone can fix a variety of issues, including problems with QR code scanning. Try restarting the phone if you are having difficulty scanning QR codes.
6. Use a third-party QR code scanner app.
If you are still having trouble scanning QR codes with the Camera app, you can try using a third-party QR code scanner app. There are many different QR code scanner apps available for free in the Google Play Store.
| QR Code Not Recognized | Possible Causes | Solutions |
|---|---|---|
| Camera is not focused on QR code | Ensure QR code is fully in camera frame | |
| Low lighting conditions | Increase ambient light or use flash | |
| Dirty camera lens | Clean camera lens with a soft cloth | |
| Outdated Camera app | Install updates from Google Play Store | |
| Phone software glitch | Restart phone | |
| QR code damaged or obscured | Find an alternative QR code or contact the source |
Scanning QR Codes in Different Formats
The Huawei Mate 20 supports multiple QR code formats, including the following:
| Format |
|---|
| QR Code |
| Data Matrix |
| MaxiCode |
| PDF417 |
| Aztec Code |
Scanning QR Codes with Embedded URLs
When scanning a QR code that contains a URL, the Mate 20 will automatically open the URL in the default browser.
Scanning QR Codes with Contact Information
If you scan a QR code that contains contact information, the Mate 20 will prompt you to add the contact to your address book.
Scanning QR Codes with Wi-Fi Credentials
If you scan a QR code that contains Wi-Fi credentials, the Mate 20 will automatically connect to the Wi-Fi network.
Scanning QR Codes with App Downloads
If you scan a QR code that contains a link to an app in the Huawei AppGallery, the Mate 20 will prompt you to download and install the app.
Scanning QR Codes in Different Locations
The Mate 20 can scan QR codes from a variety of sources, including:
- Printed on paper
- Display on screens
- Embedded in objects
Scanning QR Codes in Low-Light Conditions
The Mate 20’s camera has a built-in LED flash that can be used to illuminate QR codes in low-light conditions. To use the flash, tap the flash icon in the camera app before scanning the QR code.
Accessing Scanned QR Code Results
To view previously scanned QR codes, open the HiVision app and tap the “History” tab. Here, you’ll find a list of all your scanned QR codes, along with their contents and timestamps.
Saving Scanned QR Code Results
To save scanned QR codes for future reference, tap the “Save” icon next to the desired QR code in the “History” tab. The QR code image and its contents will be stored in the “Saved” folder.
Saving Scanned QR Code Results for Future Reference
| Device | Method |
|---|---|
| Huawei Mate 20 |
|
Retrieving Saved QR Code Results
To access your saved QR codes, open the HiVision app, and tap the “Me” tab. Then, tap “Saved” to view a list of all your saved QR codes.
Sharing Saved QR Code Results
To share a saved QR code, open the HiVision app, and tap the “Me” tab. Then, tap “Saved” and select the QR code you want to share. Finally, tap the “Share” icon and choose a sharing method.
Using Advanced Features for Enhanced QR Code Scanning
1. Activating Continuous Scanning
Unlock the continuous scanning feature to effortlessly scan multiple QR codes in rapid succession. Tap “Scan QR codes” within the Camera app and select the toggle switch labeled “Continuous scan” to activate this convenient mode.
2. Automating Flashlight Toggle
Ensure optimal code readability in low-light conditions by enabling automatic flashlight activation. Enter the Camera settings and switch on the option labeled “Use flash for QR codes” to prevent any manual intervention.
3. Enhancing Low-Light Performance
Utilizing Huawei’s cutting-edge “Super Nacht” mode, you can effortlessly scan QR codes in dimly lit or nighttime environments. Simply access the Camera settings and activate “Super Nacht” to unlock this enhanced capability.
4. Zooming for Precise Scanning
For distant or difficult-to-scan QR codes, engage the zoom feature to amplify the image and improve accuracy. Use the pinch-to-zoom gesture or the on-screen zoom buttons to adjust the magnification for optimal scanning effectiveness.
5. Extracting Contact Information
Scanning QR codes containing contact details automatically adds the new contact to your device’s address book. This eliminates the tedious task of manual data entry, saving you both time and effort.
6. Connecting to Wi-Fi Networks
Eliminate the hassle of manually entering long Wi-Fi passwords by scanning QR codes that encode network information. Simply point your camera at the code, and your Huawei Mate 20 will seamlessly connect to the desired network.
7. Launching URLs and Apps
QR codes can embed website addresses or app links. Upon scanning such codes, your device will automatically launch the appropriate browser or app, allowing you to access the desired content or functionality with just a single scan.
8. Viewing History and Downloading Results
Keep track of all previously scanned QR codes by accessing the “History” section within the Camera app. Additionally, you can download and save the scanned results to your device for future reference.
9. Sharing Scanned Results
Easily share scanned QR code results with others via messaging apps, social media platforms, or email. Simply select the sharing icon from the Camera app’s QR code scanning interface to conveniently share the data.
10. Editing and Converting QR Code Results
Customizable and feature-rich, the Camera app provides options to edit and convert scanned QR code results. Modify the scanned text, generate new QR codes from existing ones, or export the results to various formats, ensuring maximum flexibility and utility.
| Feature | Description |
|---|---|
| Continuous Scanning | Enables scanning multiple QR codes in rapid succession |
| Automatic Flashlight | Automatically activates flashlight in low-light conditions |
| “Super Nacht” Mode | Enhances scanning performance in low-light environments |
| Zooming | Adjusts image magnification for precise scanning |
| Contact Extraction | Adds scanned contact details to address book automatically |
| Wi-Fi Network Connection | Connects to Wi-Fi networks automatically by scanning QR codes |
| URL and App Launch | Launches websites and apps by scanning QR codes |
| History and Downloading | Tracks previously scanned QR codes and allows downloading results |
| Sharing | Shares scanned QR code results via various platforms |
| Editing and Conversion | Modifies and converts scanned QR code results |
How to Scan QR Codes on Huawei Mate 20
QR codes are becoming increasingly popular as a convenient way to quickly access information or perform actions. Whether you’re scanning a code for a website URL, contact details, or even payment, your Huawei Mate 20 has a built-in QR code scanner that makes the process quick and easy. Here are the steps on how to scan QR codes on your Huawei Mate 20:
1.
Launch the Camera app on your Huawei Mate 20.
2.
Point the camera at the QR code you want to scan.
3.
The camera will automatically detect and scan the code.
4.
Depending on the type of QR code, you’ll be prompted to take an action, such as opening a website, adding a contact, or making a payment.
People Also Ask
How do I enable QR code scanning on my Huawei Mate 20?
QR code scanning is enabled by default on the Huawei Mate 20. However, if you’re having trouble scanning codes, you can check the following settings:
-
Open the Settings app on your Mate 20.
-
Tap on “Camera”.
-
Make sure that the “QR code scanner” option is enabled.
Can I use a third-party QR code scanner app on my Huawei Mate 20?
Yes, you can install and use third-party QR code scanner apps from the Google Play Store. Some popular options include QR & Barcode Scanner, QR Code Reader, and Barcode Scanner. These apps often offer additional features, such as the ability to scan barcodes or create your own QR codes.
Can I scan QR codes from images on my Huawei Mate 20?
Yes, you can scan QR codes from images using the Huawei Mate 20’s built-in QR code scanner. To do this, open the Camera app and tap on the “Gallery” icon. Then, select the image containing the QR code you want to scan.
