In today’s digital age, managing how your apps interact with the internet is crucial. Whether it’s to save data, protect your privacy, or enhance device performance, knowing how to block apps from accessing the internet on your Android device is a valuable skill. This comprehensive guide will walk you through various methods, from built-in settings to advanced third-party tools, to help you take full control.

Why Block Apps From Accessing the Internet?
Blocking internet access for certain apps can provide several benefits:
Save Data Usage
Limiting internet access for apps that consume a lot of data can help you stay within your data limits and avoid unexpected charges.
Protect Privacy and Security
Restricting internet access can prevent apps from sending your personal information to external servers without your knowledge.
Improve Device Performance
Stopping unnecessary background data usage can free up system resources, leading to better battery life and overall performance.
Understanding Android’s Network Permissions
Before diving into the methods, it’s important to understand how Android manages network permissions.
Basics of Network Permissions
Android apps require specific permissions to access the internet. These permissions are typically requested during the app installation process.
How Apps Request Internet Access
When you install an app, it may ask for permission to access the internet for updates, ads, or background services. Understanding these permissions can help you decide which apps should be restricted.

Methods to Block Internet Access
There are multiple ways to block apps from accessing the internet on Android, including built-in settings and third-party apps.
Using Built-In Android Settings
Android offers several built-in options to control internet access.
Data Saver Mode
Data Saver mode helps reduce data usage by restricting background data access for most apps.
Step-by-Step Guide to Using Data Saver
Go to Settings on your Android device.
Tap on Network & Internet.
Select Data Saver.
Toggle the switch to turn on the Data Saver.
With Data Saver enabled, apps can only use data when they are open and in use, significantly reducing background data usage.
Blocking Internet Access via Wi-Fi Settings
You can also manage internet access through Wi-Fi settings.
Accessing Wi-Fi Control Settings
Open Settings.
Tap on Network & Internet.
Select Wi-Fi.
Disabling Wi-Fi for Specific Apps
Some Android versions allow you to control Wi-Fi access for individual apps directly from the Wi-Fi settings.
Step-by-Step Guide to Manage Wi-Fi Settings
Go to Settings.
Select Network & Internet.
Tap on Wi-Fi.
Access Wi-Fi preferences.
Choose Advanced.
Look for the option to Control Wi-Fi access for apps.
Third-Party Apps for Internet Blocking
Several third-party apps can provide more granular control over internet access.
Overview of Popular Apps
NoRoot Firewall
NetGuard
AdGuard

How to Use NoRoot Firewall
NoRoot Firewall is a popular choice for blocking internet access without rooting your device.
Download and Install the NoRoot Firewall
- Go to the Google Play Store.
- Search for NoRoot Firewall.
- Download and install the app.
Configuration and Setup
- Open NoRoot Firewall.
- Go through the initial setup process.
- Grant necessary permissions.
Blocking Apps from Internet Access
- In the app, navigate to the Apps tab.
- Toggle the switch next to the apps you want to block.
- Confirm your selections.
How to Use NetGuard
NetGuard is another effective tool for managing internet access.
Download and Install NetGuard
- Open the Google Play Store.
- Search for NetGuard.
- Download and install the app.
Configuration and Setup
- Launch NetGuard.
- Follow the setup instructions.
- Enable the app by toggling the main switch.
Blocking Apps from Internet Access
- Go to the Apps tab.
- Toggle the Wi-Fi and mobile data icons next to each app you want to block.
- Confirm your settings.
Using AdGuard to Block Internet Access
AdGuard offers robust internet control features.
Download and Install AdGuard
- Visit the AdGuard website.
- Download the Android version of AdGuard.
- Install the app on your device.
Configuration and Setup
- Open AdGuard.
- Complete the initial setup.
- Grant necessary permissions.
Blocking Apps from Internet Access
- Navigate to the Apps Management section.
- Select the apps you want to block.
- Toggle the switch to block internet access.
Advanced Methods for Rooted Devices
For those with rooted devices, there are more advanced methods available.
What is Rooting?
Rooting gives you full control over your Android device, allowing you to make system-level changes.
Advantages and Risks of Rooting
While rooting provides greater control, it also poses risks such as voiding warranties and potential security vulnerabilities.
Using AFWall+ for Rooted Devices
AFWall+ is a powerful firewall app for rooted devices.

How to Use AFWall+
Download and Install AFWall+
- Visit the AFWall+ website or use the Google Play Store.
- Download and install the app.
Configuration and Setup
- Open AFWall+.
- Grant superuser permissions.
- Configure your firewall rules.
Blocking Apps from Internet Access
- In the Applications tab, select the apps you want to block.
- Set the desired rules for Wi-Fi and mobile data.
- Apply the changes.
Additional Tips and Tricks
Monitoring App Data Usage
Regularly check which apps are using the most data and adjust your settings accordingly.
Periodically Reviewing App Permissions
Keep an eye on app permissions and revoke internet access for any apps that no longer need it.
Using VPNs for Enhanced Control
VPNs can add an extra layer of control over your internet access, allowing you to block or restrict access more effectively.
Troubleshooting Common Issues
Common Problems and Fixes
If an app still accesses the internet despite being blocked, check for updates or reconfigure your settings.
Ensuring Consistent Internet Blocking
Regularly update your firewall and security apps to ensure they work effectively.

Conclusion
Taking control of how your apps access the internet is essential for maintaining your privacy, saving data, and improving device performance. Whether you use built-in settings or third-party apps, there are plenty of options to suit your needs. Start implementing these strategies today and enjoy a more secure and efficient Android experience.
FAQs
Can blocking internet access affect app functionality?
Yes, some apps may not function properly without internet access, especially those that require online connectivity for updates or services.
Are there risks to using third-party apps?
While third-party apps can be very effective, they may pose security risks. Always download apps from trusted sources and check reviews.
How do I know if an app is accessing the internet?
You can monitor data usage in your device’s settings under Network & Internet > Data Usage.
Can I block internet access for system apps?
Blocking internet access for system apps can cause instability. It’s best to restrict access to user-installed apps only.
Is rooting my device safe?
Rooting can provide more control but comes with risks, such as voiding your warranty and potential security vulnerabilities. Proceed with caution and only if you are comfortable with the process.