First: There is no general bluetooth-problem; if I use an external USB-dongle everything is fine. It is correct shown in bluetoothctl

But as I wan't a low-power-solution, I'd like to use the the INTERNAL bluetooth from my raspberry 3. But it isn't recognized?
I've tested with devuan_jessie_1.0.0_arm64_raspi3.img.xz
But also with devuan_jessie_1.0.0_armhf_raspi2.img.xz
Both see the external bt-device, if there is any, but never the build in one? Is the any "magic stuff" that has to be done?

Thank you very much, best regards, FM_81