Video Calling on WhatsApp in Android.....1. First of all, take the backup of your chat from Settings > Chats > Backup. 2. Now uninstall the WhatsApp which you are using currently. 3. Then Download & Install "WhatsApp Beta".......4. Now the open the App and agree their terms & condition and enter your mobile number. 5. Now enter the OTP which you will receive in the mentioned number. 6. Then restore your chats backup and wait till its complete its process. 7. That’s it you are done. You have successfully installed the Video Calling Enabled WhatsApp in your Android smartphone. Enjoy