Follow all the steps for the application to work properly.
2.1 Enable unknown sources for Android <= 7
Note: in order to install the application, you must enable unknown sources on your phone if it is not already.2.2 Enable unknown sources for Android >= 8
Note: This message appears when you download the application in step 3.2.3 Disable Google Play Protect
Google has added a security system for apps that are not downloaded from the Google Play called « Play Protect ». It is possible that the Mobile Tracker Free application is detected as potentially dangerous.3.1 Login and download app
3.2 Install application
3.3 Configure the application
3.4 Make application trusted / Protecting application (Important step)
Note: Important step for the application not to be stopped.Select the model of the phone and if possible the associated Android version.
3.5 Best discretion