HOWTO adjust picture of entity

Hi All, I think I found a way for presence detection (via Unifi controller). No I do want to add a picture to the badge icon. I just to do this in the known_devices.yaml but that one is obsolete now. How can I customize this?

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Extra information: if I change a parameter in this section, it is not saved at reboot of Cassio

+1 The same for me, how to setup tracker pictures without know_devices.yaml ???

Anybody any idea howto add a picture to a device tracker badge?

Solved by adding a device tracker to a person and customise the person with entry_picture