Note that there are multiple WhatsApp versions available for different Android operating systems. Choose APK depending on your device OS.
For Android 4.0.3+ (Ice Cream Sandwich, Jelly Bean, KitKat, Lollipop, Marshmallow, Nougat):
2.16.396
Download
For Android 2.3.4+ (Gingerbread & above):
2.16.382
Download