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How do I use the Block function in dfndr security?

If your phone has been stolen and you want to lock the phone, you can activate dfndr security’s Block function.

When activated, this function locks the device screen hindering third parties from accessing your data.

1- Open My PSafe 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 “Block” at the top right next to the Alarm.

4- Create a custom message to see on your smartphone screen when it’s blocked and then select Block Screen.


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 again and connected to the internet. To learn more about the required items to Anti-theft functions, click here.

You can unlock your device by typing your 6 digit access code on its screen.

If you still have any questions, please send us a message and we will get back to you shortly!