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App to cool cell phone: learn how to use dfndr security on Android | Diagnostics and improvements

Dfndr security is a free application from PSafe for Android that allows you to optimize your phone. In just a few taps, the tool performs several tasks that improve the overall performance of the Google operating system. This includes terminating unused processes that remain running in the background to free up RAM memory and erase useless files in order to make room for new content. The ideal application to be used on old devices, which are slow and warm up after some time of use.

In the following tutorial, learn how to use dfndr security to optimize your Android phone. The procedure was performed on a Moto E4 with Android 7.1.1 Nougat, but the tips apply to any device with the Google system. It is worth remembering that the application is exclusively for users of Google Play and, therefore, is not available for Apple's iPhone (iOS).

Android trick makes phone faster and releases RAM

Learn how to use the dfndr security app to optimize your Android phone Photo: Helito Beggiora / TechTudoLearn how to use the dfndr security app to optimize your Android phone Photo: Helito Beggiora / TechTudo

Learn how to use the dfndr security app to optimize your Android phone Photo: Helito Beggiora / TechTudo

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Step 1. Install dfndr security on your phone via the TechTudo page. When opening the app for the first time, tap "Start" and, when offered the premium version of the tool, tap "Now on" to continue without subscribing;

Make the initial configuration of the dfndr security Photo: Reproduo / Helito BeggioraMake the initial configuration of the dfndr security Photo: Reproduo / Helito Beggiora

Make the initial configuration of the dfndr security Photo: Reproduo / Helito Beggiora

Step 2. On the app's home screen, click "Accelerate" to make a general optimization on Android, which includes closing apps in the background and cleaning unused files;

Accelerate cell phone performance with dfndr security Photo: Reproduo / Helito BeggioraAccelerate cell phone performance with dfndr security Photo: Reproduo / Helito Beggiora

Accelerate cell phone performance with dfndr security Photo: Reproduo / Helito Beggiora

Step 3. If your cell phone gets hot after a while, the "Cool CPU" tool can help solve the problem. The feature checks and terminates apps running in the background to lower the temperature;

Cool your phone's CPU with dfndr security Photo: Reproduo / Helito BeggioraCool your phone's CPU with dfndr security Photo: Reproduo / Helito Beggiora

Cool your phone's CPU with dfndr security Photo: Reproduo / Helito Beggiora

Step 4. In "Quick Clean", it is possible to delete the useless files that accumulate on the cell phone. Then, go to "Next";

Remove useless files with dfndr security Photo: Reproduo / Helito BeggioraRemove useless files with dfndr security Photo: Reproduo / Helito Beggiora

Remove useless files with dfndr security Photo: Reproduo / Helito Beggiora

Step 5. If this is your first time using the feature, you will need to authorize the app's access to the files available on the device. To do this, press "Allow" and wait until the process is finished;

Allow the dfndr security app to access your files Photo: Reproduo / Helito BeggioraAllow the dfndr security app to access your files Photo: Reproduo / Helito Beggiora

Allow the dfndr security app to access your files Photo: Reproduo / Helito Beggiora

Step 6. Back to the dfndr security home screen, go to "Fast Anti-Virus" to check for viruses in your mobile applications. The process may take time to finish, depending on the number of files;

Check for viruses on your phone with dfndr security Photo: Reproduction / Helito BeggioraCheck for viruses on your phone with dfndr security Photo: Reproduction / Helito Beggiora

Check for viruses on your phone with dfndr security Photo: Reproduction / Helito Beggiora

Step 7. dfndr security can also automatically alert you to fake websites and news. To do this, open "Fake News Alert" and click "Activate";

Activate website alerts and fake notifications with the dfndr security app Photo: Reproduo / Helito BeggioraActivate website alerts and fake notifications with the dfndr security app Photo: Reproduo / Helito Beggiora

Activate website alerts and fake notifications with the dfndr security app Photo: Reproduo / Helito Beggiora

Step 8. The Android accessibility settings will open. Finally, tap "dfndr security", activate the function and confirm by tapping "OK";

Allow the dfndr security app to have special access to the cell phone Photo: Reproduo / Helito BeggioraAllow the dfndr security app to have special access to the cell phone Photo: Reproduo / Helito Beggiora

Allow the dfndr security app to have special access to the cell phone Photo: Reproduo / Helito Beggiora

Step 9. Access the "Tools" tab to see all the resources available in dfndr security. In the list, the user finds resources for cleaning, protection, performance improvement and privacy.

Menu with all the functions of dfndr security Photo: Reproduction / Helito BeggioraMenu with all the functions of dfndr security Photo: Reproduction / Helito Beggiora

Menu with all the functions of dfndr security Photo: Reproduction / Helito Beggiora

Ready. Take advantage of the tips for using the free dfndr security app and optimize your Android phone.

How to increase the internal memory of the cell phone? See comments in the TechTudo forum.

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