Users of the Freedom Scientific Focus line of braille displays may experience issues pairing their display with devices running iOS 10.2.
The information we have available to us suggests that this issue primarily affects users who attempt to re-pair a Focus display which has previously been un-paired from the same iOS device, although in our testing it was also impossible to pair a Focus display for the first time when running iOS 10.2.
It is our understanding that Focus displays paired before updating to iOS 10.2 should continue to work correctly.
We recommend that you do not upgrade to iOS 10.2 if you use a Focus braille display and have a use case which may require you to un-pair and re-pair the display, or if you may need to pair a Focus display for the first time before Apple releases a fix.
At the time of posting, we believe that the Focus line of displays are the only displays affected by this issue; in addition to the Focus 14 Blue and Focus 40 Blue, the models we were able to test under iOS 10.2 include the Braille Edge, Braille Sense, Refreshabraille, VarioUltra, and Brailliant.