Cannot install apps from 3rd party sources

[Jamb24]

I would like to know if anyone knows why Samsung does not allow the installation of third-party applications. And I have the restrictions disabled and it still won't let me install. From the media I want to install, third-party applications are allowed to be installed and it still won't let me install.

[LongHiker]

Which 3rd party apps are you having problems with? I have many installed.

[Jamb24]

With all of them it doesn't let me install even one

[Aashish]

Go to setting -->> Device Care -->> App Protection turn it off.

[Jamb24]

I already did it and it still won't let me install anything.

[Aashish]

Have you try to enable install unknown apps? go to your phone's Settings > Security and Privacy > more security settings > install unknown apps and enable the browser you are using to install the app.

[Jamb24]

That doesn't work either. I enabled it and it won't let me install anything. I restarted the phone and it still won't let me do anything.

[Aashish]

Oh .. only these two settings I am aware of. I have many third party apps installed. I had similar issue in begining but these two settings helped me to fix the issue.

[Jamb24]

What I'm thinking is to reset to factory settings to see if that works for me.

[Jamb24]

I did this test I activated the auto locker I closed all the applications and went back to the auto locker and it was disabled by itself actually I don't understand