Continued from here: https://forum.armbian.com/topic/30167-is-there-a-wireless-keyboard-which-works-with-the-orange-pi-5 One user in the armbian forum confirms that it works great with the Orange Pi 5. Therefore it should work in principle also for the Pinephone: https://forum.pine64.org/showthread.php?tid=19317&pid=122599#pid122599