Android Naming Order

Android versions have been following an alphabetical order in their naming and upgrades.

1. A for Astro (1.0)
2. B for Bender (1.1)
3. C for Cupcake (1.5)
4. D for Donut (1.6)
5. E for Eclair (2.0)
6. F for Froyo (2.2.x)
7. G for Gingerbread (2.3.x)
8. H for Honeycomb (3.x)
9. I for Ice Cream Sandwich (4.0.x)
10. J for Jelly Bean (4.3)
11. K for KitKat (4.4)
12. L for Lollipop (5.0)