New Pinebook 14'' does not boot from sd card

[tozsoferguson]

I recently received the pinebook.
One of the first things I did was to flash an android image to a sd card (8 GB) using the PINE64 Installer.
Did not boot from the sd card. With any other os I flashed - pinebook did not boot from sd card.
Tried to turn into FEL mode (long press and then at least 3 short taps), did not work.
All in all, pinebook booted the eMMC image unless I did.
The sd card slot is working: If booted with the eMMC image OS I can read any sd card I plug into.

So I removed the eMMC and tried to boot from sd card, failed also. But switched into FEL mode.

I currently haven't build a serial console (via audio) connector cable (missing parts) to see what's happening while trying to boot from sd card.

My questions:
- Does anybody struggled into the same behaviour? Or what's wrong with sd cards the pine installer flashes?
- What are the FEL key's? Or how do I force the pinebook without removing the eMMC into FEL mode?

I have the same problem.