How To Use Firewall on Android Smartphone (No-Root)

According to Wikipedia Firewall means

 " Firewall is basically a barrier betwen an internal user and an outside network which controls outgoing network traffic." 

So basically firewall mean a tool that allow or deny internet connection to any specific app. With these no-root firewall apps application or web address individually be allowed or denied access to your Wi-Fi and/or mobile connection.

Why you need to Install Firewall app On your Smartphone?

Main reasons to use firewall on android devices are as follows:

• To reduce data usage.
• To increase battery life.
• To stop malicious app from sending data to hackers.
• To increase your privacy.
• To stop spying connections.

How To Use Firewall on Android device Without Rooting?

Using firewall on UnRooted android device is almost impossible without using VPN. So all the no-root firewall apps for android device use VPN. They use VPN packaging module offered by Android to be able to gain visibility to your apps network activities. Most of them claimed that they actually don't connect you with VPN server, they somehow use VPN for firewall. So they all ask you to enable VPN before using them.

1. Download any No-Root firewall app mentioned below.
2. Install and Open it.
3. It will ask you to conform VPN Connection, Conform it.
4. Now you can allow, block or filter specific app to access your data connection.

Simply if you don't trust VPN then you need to root your android phone to use Firewall. You can use tools such as droidwall firewall for rooted android device. If you don't want to root your android device just to setup firewall then this post is for you mate!

There are many firewall apps for unrooted android, among them I am going to explain few,

Here is the list of free Firewall apps for Non-Rooted Android device.

Noroot Firewall:

Simple but best firewall for unrooted android smartphone - Noroot firewall

A simple firewall app for non rooted device with this firewall you can create filter rules based on IP address, host name or domain name.  It is easy to use and very simple interface. If you use LTE then you can't use it because NoRoot Firewall currently doesn't support IPv6. You can set different filter rule for cellular data and Wifi Data and block even system apps. It will alert you when new app tries to connect internet. It required android version 4.0 or above.

Mobiwol- NoRoot Firewall:

Mobiwol - Perfect No-root firewall

Advanced firewall for android that works perfectly on not rooted smartphone. It has more functions than Noroot Firewall. This app can be used to block background Internet usage of different apps, and it will also give you an alert when a new app use internet from your device. You can use this on any device running Android 4.0 or later. Give a try!

NetGuard – no-root firewall: 

A Open Sourced firewall for non rooted android device

Another best firewall app for non rooted android smartphone. You can use free or pro version. It supports IPv4/IPv6 TCP/UDP. Night Mode theme, block in roaming, record network usage are its main features. You need phone running android 4.0 or above. It is open source application you can view its source code from Github  . You can buy its premium version to Log all outgoing traffic; search and filter access attempts; export PCAP files to analyze traffic and many more features.

LostNet Firewall:

Most Advanced firewall for non rooted android device - lost

It has little unique feature than others. You can block connection for specific country using this firewall. If you think Chinese apps is sending data to China then you can block all incoming and outgoing connection to Chinese server.  But irony it this app is developed by Russian Developers, LostNet Soft, Russia. Another most important feature of this no-root firewall app is you optionally can block ads and you can filter apps for specific time period.

Very few Smartphone such as oppo have pre-installed firewall apps so you don't have to install any external firewall apps but almost all android don't have any pre-installed firewall so you have to root your android phone to use real(genuine) firewall else you have to depend upon VPN firewall.

If you faced any problems on installing any app on android then check Solve Problems on Installing Apps on Android 
 
Thanks for reading, Please let me know if I have missed any better android no-root apps. comments are welcomed !!!

January 21, 2017 Tags : android , Android app , How To

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