Android Versions

 Here is a list of some major versions of the Android operating system:

1. Android 1.0 (no code name)
2. Android 1.1 (Petit Four)
3. Android 1.5 (Cupcake)
4. Android 1.6 (Donut)
5. Android 2.0/2.1 (Eclair)
6. Android 2.2 (Froyo)
7. Android 2.3 (Gingerbread)
8. Android 3.0/3.1/3.2 (Honeycomb)
9. Android 4.0 (Ice Cream Sandwich)
10. Android 4.1/4.2/4.3 (Jelly Bean)
11. Android 4.4 (KitKat)
12. Android 5.0/5.1 (Lollipop)
13. Android 6.0 (Marshmallow)
14. Android 7.0/7.1 (Nougat)
15. Android 8.0/8.1 (Oreo)
16. Android 9 (Pie)
17. Android 10
18. Android 11
19. Android 12