Question: what is the latest android operating system for cell phones?
Answer: Pie (9.0)
Oreo (8.0)
Nougat (7.0)
Marshmallow (6.0)
Lollipop (5.0)
KitKat (4.4)
Jellybean (4.3, 4.2 and 4.1)
Ice Cream Sandwich (4.0)