To know the wifi password by scanning, you usually need to use a mobile phone or other smart device to do so. Here are some possible ways:
1.Use the phone scan function:
Find and turn on the "Network & Internet" option in your phone's settings menu.
In the connected wifi details page, find and tap on the "Password" option.
At this point, your phone will prompt you if you need to share your password. Select "Share password with friends", save the *** screenshot, and then scan it through WeChat or other social apps with a scan function to view the wifi password.
2.Use wifi***
* And install the wifi*** app.
Open the app and connect to the corresponding wifi network.
After the connection is successful, the app will automatically detect and display the currently connected wifi password.
3.Use a third-party barcode scanning tool:
* And install a third-party app with wifi password scanning.
Open the app and use its scan feature to scan the *** or barcode of the wifi password.
The app will automatically parse and display the wifi password.
It should be noted that the above methods only apply to WiFi networks that are open in public places or WiFi passwords shared by yourself. For encrypted or protected WiFi networks, it's usually not possible to get the password by scanning. In addition, when using third-party applications, it is necessary to pay attention to the reliability and security of the applications to avoid personal information leakage and potential security risks.