We usually know the wifi password after connecting wifi, but sometimes we connect the wifi on the phone, but do not know the password (for example, your friend to your phone connected to his wifi, but did not tell you the password, or we use wifi - Master key connected to someone else's wifi).
The following teach you how to app to see how to connect wifi password
Open the phone settings to find the wireless network
2. Click will appear after a two-dimensional code, our cell phone screenshots
3. Later, we send this two-dimensional code image to WeChat, and we can see the following information by using WeChat's two-dimensional code recognition
The figure already contains a wifi password A brief description: Find the keyword 'P:' after the double quotes inside the wifi password, 'S:' followed by the wifi name, such as my FAST_XXX
