Take WeChat as an example.
1. Open WeChat and enter the main page of WeChat. Click the plus sign in the upper right corner to enter the menu options.
Second, click to find the option of scanning, and then gently open it.
Third, the main interface of code scanning appears, and then click the QR code bar code option in the lower left corner. The software is like this by default.
Fourth, put the barcode or QR code of the product under the camera of the mobile phone, pay attention to keep the same size as the interface of the scanning frame, and then wait for the software to scan the code.
5. After waiting for 1-3s, product information will appear, which can be viewed at this time.
Note: According to the local network speed, there may be a delay in operating the software, so please wait patiently.