The reason why WeChat Scan cannot be used may be permission settings, camera failure, network problems, WeChat version problems, QR code problems or other factors. Detailed introduction: 1. Permission settings, please make sure you have given the corresponding permissions to the WeChat application. In the settings of your phone, find application management or application information, then find the WeChat application and make sure the camera permissions are turned on. If the camera permissions are not turned on, WeChat will The scan function cannot be used; 2. Camera failure. If the mobile phone camera fails, the WeChat scan function may not work properly. You can try to open the camera application, etc.

The operating system of this tutorial: ios16.6 system, WeChat version 8.0.41, iphone14 computer.

The inability to use WeChat Scan may be caused by a variety of reasons. Below I'll cover some common causes and solutions.

1. Permission settings:

First, please make sure you have given the WeChat application the corresponding permissions. In the phone's settings, find application management or application information, then find the WeChat application and make sure the camera permission is turned on. If the camera permission is not turned on, WeChat will not be able to use the scan function.

2. Camera failure:

If your mobile phone camera fails, WeChat Scan may not work properly. You can try opening other camera apps to see if you can use the camera function normally. If other camera applications are not working properly, you may need to check the phone camera hardware or contact the phone manufacturer for repair.

3. Network problem:

The scan function requires an Internet connection to function properly. Please make sure your phone is connected to the Internet and the network connection is stable. If the network connection is unstable, the scan function may not be able to load or recognize the QR code normally.

4. WeChat version problem:

If your WeChat version is too low or too high, the scan function may not work properly. Please make sure your WeChat app has been updated to the latest version. You can go to the App Store or WeChat official website to download and install the latest version of the WeChat application.

5. QR code problem:

If the QR code you scan is of poor quality, damaged or invalid, the scan may not work. Please make sure the QR code is clearly visible and try scanning again. If the problem persists, you may need to contact the provider of the QR code to confirm the validity of the QR code.

6. Other factors:

In addition to the above reasons, there are some other factors that may cause the scan to be unusable, such as device compatibility issues, system version issues, etc. You can try to use the scan function on other devices, or try to use the scan function in other network environments to troubleshoot device and network problems.

If you have tried the above methods and still cannot solve the problem, you may want to consider the following possibilities:

- There are some problems with the WeChat platform, and you may need to wait for WeChat official solutions or updated versions.

- The scan function is restricted in certain regions or certain network environments. You may need to wait or contact WeChat officials for more information.

It should be noted that the scan function is affected by many factors, and different devices and network environments may have different problems and solutions. If the problem persists and affects the user experience, it is recommended to contact WeChat official customer service or seek professional technical support and solutions.

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