iOS user installation tutorial course
Open the settings function on your phone and select "General";
In General, select the "Profile and Device Management" function;
In the enterprise application category in Description File and Device Management, select the file name of the enterprise application to be installed (consistent with the prompt when opening), and click to enter;
After entering the enterprise signature page, confirm the Company name and application name in the enterprise signature, and click Trust "Enterprise Signature Company Name";
Return to the desktop and reopen the application to use it.