How do I use the Alarm function dfndr security?

The alarm function is designed to recover stolen devices in closed environments. When activated, the alarm will sound at a maximum volume which will allow you to identify where the sound is coming from. This alarm will sound for 1 minute.

To activate the alarm follow the steps below:

1- Open and then click “Sign in with Google account”.

2- Log in with the same Google account registered in Anti-theft on your device .

3- At the home screen, select “Alarm” at the top right next to the Block.

4- Select “Sound alarm”.

You can disable the alarm also through

In case your device has no access to the internet or if it’s turned off, you will receive a message telling you that the command has been sent to it and will be executed as soon as the phone is on and connected to the internet again. To learn more about the required items for Anti-theft to function, click here.

If you still have questions that are not addressed here, please contact us at