Hitting the same problem with multiple Bluetooth keyboard devices. They pair to iPads, Galaxy tablets and my desktop PC, but not to an S5. Mine is a UK (EU) model but I can't imagine there is any diffence in the Bluetooth stack to US models. I'll happily get diags for any Samsung engineer willing to take a look. Pretty poor that the most basic of Bluetooth devices doesn't work with a supposed quality phone :-(.
... View more