Since you can't do SMS verification on your Wifi only tablet, open the browser on the tablet and type the link from the SMS v./****** (****** denotes the 6 digit activation code) You can also tap on this link to verify your phone: Step 5)You will shortly receive the verification SMS with the activation code. Enter your number complete with country code. Step 4) Whatsapp will ask your phone number for verification.

Step 2) Download Whatsapp.apk from this link here

This will let you install an app outside playstore. Go to Settings → Security → Unknown sources and check the box for 'Allow installation of applications from both trusted and unknown sources'. Step 1) Temporarily change the security setting to allow the Android to install apps from unknown sources. Method A) Register new account using an available phone number Tablet users with only wifi can still register and activate whatsapp on their device in few simple steps, as long as they have a phone and a number and this phone doesn't even need to be a smart phone. Once you register it, all you need is internet connectivity. Whatsapp uses internet for messaging, but it requires a phone number to register it.

Whatsapp download for tablets