Cellular data usage is now an important requirement for anyone who has a smartphone. Many cellular operators offer unlimited data packages. Not infrequently the package offered also has a cheap rate. As a result you have to save your cellphone data.
Some applications suck up data regularly, even when they are not actively used. You can turn off cellular data so that the application doesn't continue to use data. However, problems arise when communication applications like WhatsApp, Messenger must be connected to the internet at any time.
Fortunately, Android provides a way to prevent certain applications from using data. Third-party applications can also be an alternative to this solution. These methods are useful for those of you who want to disable data in applications that don't need to use data, and still use applications that are supposed to access data.
Here's how to disable internet connection on certain applications on Android:
Using the default Android feature
You can easily set the background data limits for certain applications on Android. All you need to do, is go to Settings-> Applications (Settings-> Apps) and select the application that you want to deactivate the data.
On the Application Info page, you can tap "Data usage" (Data usage) and here, enable "Restrict background data application" ("Restrict app background data"). This ensures that the application doesn't pick up any cellular data while running in the background as long as you don't open it.
If you want to limit the background data for all applications, you can go to Settings-> Use data (Settings-> Data usage), press the three-point button and tap "Limit background data" (Restrict background data). Here, you can also set a monthly cellular data limit, so you know when your cellphone data is running out.
If you have the latest Android version (N and above), you will find a Data Saver mode. Basically this feature limits background data on all applications. However, you can choose the application you want to enable unlimited data access.
Block Cellular Data and WiFi with NetGuard
While the default Android feature only allows you to deactivate internet connections on cellular data, third-party applications can help you more. This allows you to disable data connections and Wi-Fi.
NetGuard is a firewall application that not only blocks internet access for certain applications but also allows you to use conditions such as allowing WiFi or cellular data when the screen turns on and blocks the internet while roaming.
NetGuard displays all applications in alphabetical order. Next to it is the option to deactivate Wi-Fi and cellular data. Disable access to one or both of the types of connections you want.
For more specific controls and exceptions, tap the dropdown arrow next to each application. This option includes the ability to limit applications that consume data only when you are roaming. Or, you can allow applications to use data while others are blocked.
You can also limit data usage on certain cellular network connections, if necessary. this is like being able to allow unlimited use of 3G connections, and limiting LTE connections.
Block Cellular Data and WiFi with NoRoot Firewall
NoRoot Firewall is a very popular firewall application that provides advanced capabilities for disabling internet connections.
This application not only allows you to block cellular / WiFi data access for applications, but also allows you to set filters and special conditions based on IP address, domain name and host address.
NoRoot Firewall also protects your personal information from being sent to the Internet. The NoRoot firewall tells you when an application tries to access the Internet. The NoRoot Firewall interface is also simple and free to use.
Block Cellular Data and WiFi with InternetGuard Data Saver Firewall
InternetGuard Data Saver Firewall is another best firewall application in the list that can be used to block internet access in certain applications on Android.
Just like all other Android firewall applications, InternetGuard Data Saver Firewall also allows users to block certain internet access applications on Android.
This application displays a list of Android applications that have access to the internet. Just tap the application that you want to block internet access and then select the type of connectivity. If you want to block cellular data usage, tap the 'Mobile data' icon and if you want to block Wifi internet, then tap the 'Wifi' button.
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