What is firewall ? Firewall is a security system in the operating system that allows to prevent IP addresses and malicious programs.
Thus, it can be said that this Firewall is a network security system protector and attacks from other devices. . In addition, firewalls are also very important for Android smartphones.
Especially if you often visit cyberspace. You can also open the website when you instead you are carried away with advertising sites that are sometimes inappropriate for display. how to activate the firewall on Android? Come on, see the following explanation.
1. First of all, you have to download and install the application NoRoot Firewall on your smartphone.
2. When finished, please click Start and allow a VPN connection from the application NoRoot Firewall .
3. On the Pending Access tab you will find any applications that require access to the internet. If there is anything suspicious, please click Deny . You need to know on the Pending Access tab, the detected applications will be real-time and very quickly updated.
4. Then on the Apps tab you can set any application that will be allowed to access the internet on a wifi or cellular data connection. Please set it according to your needs.
It's quite easy, isn't it, how to activate the firewall on Android? That way there are no applications running and accessing the internet without your knowledge. You can try the tutorial above for convenience in using a smartphone because there is no need to worry anymore about the threat of WannaCry ransomeware and other malicious malware. Thank you and hopefully useful!