Any protected firewall available

by Jkarhani   Last Updated April 15, 2019 08:11 AM

is there any protected firewall available? I have tried many & the problem was as follow: - it works very well but ANY user can simply uninstall it!! how didn't they put this into consideration. - i used a program to hide it, and when I hide it it becomes disabled.

I used AFwall+ (root), Netguard..

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