And how do you enforce that guarantee? I remember when they guaranteed years of updates for the Lumia 800, and then the Lumia 1020. If they stop the updates, y

And how do you enforce that guarantee? I remember when they guaranteed years of updates for the Lumia 800, and then the Lumia 1020. If they stop the updates, you can participate in a class-action lawsuit, and get a Nokia ballpoint pen (ink not included) after eleven years.