It's a matter of luck, if no error message when pairing occurs. "Error 68" Sound familiar?
That it is up to the phones, I do not think. The devices are so different that it is hard to imagine that they have the same errors in their firmware.
A device I will test shortly yet. If it does not work with the reliable, then flies out the thing.
Goes for the money had better with your wife / girlfriend / husband / boyfriend chic to eat. Since you really have more of it.