How to prohibit mobile phone from installing software?

If you use a vivo phone, you can refer to the following parties to prohibit the installation of software:

You can install the software through the healthy use of device settings. To verify:

Go to Settings-Health Equipment-Slide-up page to find "Application Installation License"-Enter the password of health equipment-Install the application, and set it to "Not allowed". Before installing the application, you need to enter the password of the health device.

If it means turning off software that allows installation from unknown sources:

Funtouch？ OS？ 4.5 and subsequent models:

1, Settings-Applications and Permissions/More Settings-Permissions Management-Permissions-Install Unknown Applications-Select Software to Close-Turn off Allow Unknown Applications to Install;

2.I Manager-Application Management-Rights Management-Rights-Install Unknown Applications-Select the software to close-Close "Allow Installation of Unknown Applications";

Funtouch？ OS？ 4.0 mode: Settings-More Settings-Apply-Turn off "Install Unknown Application";

Funtouch？ OS？ Models before 4.0: Settings-(More Settings)-Security-Turn off "Unknown Sources".

If you have more questions, you can go to official website /vivo Mall APP-My-Online Customer Service or vivo official website Web Edition-Slide to the End-Online Customer Service-Enter the manual customer service for consultation and understanding.