Number of BB10 and BBOS devices still in use
I've dug deeply through 10 years of worldwide data (provided by Statcounter), and calculated an exponential curve (with R² of 0.97) to the number of devices still in use.
As of Dec 2020, there were approximately 400k (BB10+BBOS) devices still active.
As of Dec 2021, there will be about 200k.
Of course, I would suspect that at least a third of these devices are hobby / Wifi-only phones.
This does NOT account for the upcoming disruptive cases of 3G being shutdown and of BlackBerry backend services being turned off at the end of this year.
A good case can be made that there will be less than 100k BB10 and BBOS devices left on Earth with SIM cards in them by Christmas.
Just thought folks might be interested.