hello @Onos , your contribution can't be verified. I can confirm that you actually dont know how this feature works. To use pushbullet feature, you must sync another device to your main device.
Pushbullet feature can be used to connect your devices and send files or control the other device within. From what i can see, You have not synced any device in your bug-report that is the main reason that the button is not working for you.
If you want to know more about pushbullet feature you can check the article here
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