Is there possibility to flash it on internal storage?

[consi]

Do you plan add possibility to install this firmware in internal flash of radio?

[strijar]

Yes, it is planned. After the release is ready

[donnydavis]

Any update on this issue?

I can imagine booting the external SD from something with your image and then DD the image to internal eMMC would work, but I don't really want to brick the unit trying to figure it out.