The installation and use methods are as follows:

Please make sure that WiFi or cellular data is turned on in the phone settings, and make sure that location services are turned on.

Open the WiFi master key and wait for a while to get the list of surrounding WiFi hotspots. If it doesn't appear, you can drop down the page to refresh.

Genuine iOS needs to match the location of the WiFi scanned by the mobile phone with the location of the WiFi master key to display the blue key.

(1) Set the WiFi list in the mobile phone, and press and hold the home button+Power button to take a screenshot. (If the mobile phone scans a lot of WiFi, you can capture multiple pictures to cover all WiFi information. )

(2) Go back to the WiFi master key interface, click Scan Pictures to get the WiFi list information of previous screenshots, and analyze and match all the pictures one by one. If there is a hotspot sharing password, a blue key will appear.

Click on the hotspot that shows the blue key, and further install the profile. After installing the description file, it is ok.

To install the profile, you need to enter a password. When the iOS system requires to install any application (profile), you need to enter the phone lock screen password to confirm again. Please enter the phone screen lock password.

To connect any new WiFi hotspot, you need to install a description file, and the unsigned description file will not affect the connection use.

After successfully installing the profile, you can connect to the Internet.