Last Updated on July 7, 2024 by pg@petergamma.org
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