Device tracker present into know device but not in dev state with google maps

Hello,
Hellol,
i’ve google maps platform as tracker. I’ve 3 device tracked in know_device.yaml but only 2 are present into dev-state. How Can i fix it? On google maps i see all 3 devices.
I’ve tried in order:

  • delete cookies
    -delete know-devices
    -reboot HA

Any indea?
thanks in advance